Dr. Horacio Croxatto

Publicaciones

1. "Luteinizing hormone-like activity in human median eminence extracts". H.B.Croxatto, J. Arrau, H. Croxatto. Nature 204:584-585, 1964.

2. Norethindrone blockade of pituitary gonadotropin release; counteraction byestrogen". J. Hilliard, J.N. Hayward, H.B. Croxatto, C.H. Sawyer. Endocrinol.78:151-157, 1966.

3. "Norethindrone blockade of LH release to intrapituitary infusion of hypothalamicextract". J. Hilliard, H.B. Croxatto, J.N. Hayward, C.H. Sawyer. Endocrinol.79:411-419,1966.

4. "Fertility control in women with a progestogen released in microquantities fromsubcutaneous capsules". H. Croxatto, S. Díaz, R. Vera, M. Etchart, P. Atria.Am. J. Obstet. Gynecol. 105:1135-1138, 1969.

5. "Role of intrauterine environment in the disappearance of eggs in rats bearingan IUD". B. Fuentealba and H.B. Croxatto. Contraception 2:179-185, 1970.

6. "Transport of microspheres by the human oviduct in vitro and the effect oftreatment with megestrol acetate". S. Avendaño, J. Pelaez and H.B. Croxatto.J. Reprod. Fert. 27:261-264, 1971.

7. "Contraceptive action of megestrol acetate implants in women". H.B. Croxatto,S. Díaz, P. Atria, S. Cheviakoff, S. Rosati and H. Oddó. Contraception 4:155-167, 1971.

8. "A simple nonsurgical technique to obtain unimplanted eggs from human uteri".H.B. Croxatto, B. Fuentealba, S. Díaz, L. Pastene, H.J. Tatum. Am. J. Obstet.Gynecol. 112:662-668, 1972.

9. "Studies on the duration of egg transport in the human oviduct. I. The timeinterval between ovulation and egg recovery from the uterus in normalwomen". H.B. Croxatto, S. Díaz, B. Fuentealba, H-D. Croxatto, D. Carrillo andC. Fabres. Fertil. Steril. 23:447-458, 1972.

10. "Estudio sobre el transporte del óvulo en la mujer". H.B. Croxatto, S. Díaz, H-D. Croxatto, B. Fuentealba, D. Carrillo y C. Fabres. Rev. Chil. Obstet. Ginecol.37:79-83, 1972.

11. "Transport of microspheres in the genital tract of the female rabbit". H.B.Croxatto, C. Vogel and J. Vásquez. J. Reprod. Fertil. 33:337-341, 1973.

12. "Attempts to programme ovulation with exogenous oestrogens and LH-RHanalogue". J. Zañartu, J.M. Rosner, E. Guiloff, A. Ibarra-Polo, H-D. Croxatto,H.B. Croxatto, E. Aguilera, D.H. Coy and A.V. Schally. Brit. Med. J. 42:527-529, 1975.

13. "A seven cell human egg recovered from the oviduct". S. Avendaño, H-D.Croxatto, J. Pereda and H.B. Croxatto. Fertil. Steril. 26:1167-1172, 1975.

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14. "Study of blood coagulation in women treated with megestrol acetate implants".P. Lira, L. Rivera, S. Díaz and H.B. Croxatto. Contraception 12:639-644, 1975.

15. "Adnexal complications in women under treatment with progestogen implants".H-D. Croxatto, S. Díaz, S. Rosati and H.B. Croxatto. Contraception 12:629-637, 1975.

16. "Clinical assessment of subdermal implants of megestrol acetate, d-norgestrel,and norethindrone as a longterm contraceptive in women". H.B. Croxatto, S.Díaz, E. Quinteros, L. Simonetti, E. Kaplan, R. Rencoret, P. Leixelard and C.Martínez. Contraception 12:615-627, 1975.

17. "Hormona hipotalámica sintética que libera gonadotrofinas (LH-RH) y ovulación:Posibilidad de "programar" ovulación para regular la fertilidad en la mujer". J.Zañartu, J.M. Rosner, E. Guiloff, A. Ibarra, S. Cheviakoff, H-D. Croxatto, H.B.Croxatto, A. Dabancens, D.H. Coy y A.V. Schally. Rev. Méd. Chile 103:775-779, 1975.

18. "Effect of particle size on time course of transport of surrogate ova through therabbit oviduct". B.J. Hodgson, H.B. Croxatto, M-I. Vargas and C.J. Pauerstein.Obstet. Gynec. 47:213-217, 1976.

19. "A study of the time course of egg retention activity in the rabbit oviduct". C.V.Gómez and H.B. Croxatto. J. Reprod. Fertil. 50:69-73, 1977.

20. "Clinical trial with subdermal implants of the progestin R 2323". S. Díaz, M.Pavez, E. Quinteros, D.N. Robertson and H.B. Croxatto. Contraception 16:155-165, 1977.

21. "Temporal relationships of estrogen, progesterone, and luteinizing hormonelevels to ovulation in women and infrahuman primates". C.J. Pauerstein, C.A.Eddy, H-D. Croxatto, R. Hess, T.M. Siler-Khodr and H.B. Croxatto. Am. J.Obstet. Gynecol. 130:876-886, 1978.

22. "Ultrastructure of a seven-cell human embryo". J. Pereda and H.B. Croxatto.Biol. Reprod. 18:481-489, 1978.

23. "Studies on the duration of egg transport by the human oviduct. II. Ovumlocation at various intervals following LH peak". H.B. Croxatto, M.E. Ortiz, S.Díaz, R. Hess, J.P. Balmaceda, H-D. Croxatto. Am. J. Obstet. Gynecol.132:629-634, 1978.

24. "Fertility inhibition by intraoviductal copper beads in rabbits". S. Quijada, X.Soza and H.B. Croxatto. Contraception 17:553-562, 1978.

25. "Programming ovulation at a pre-determined date of the menstrual cycle.Potential value in fertility regulation and insemination therapy". J. Zañartu,J.M. Rosner, E. Guiloff, A. Ibarra Polo, H-D. Croxatto, A. Dabancens, H.B.Croxatto, D.H. Coy, A.V. Schally. Reproducción 5:291-295, 1978.

26. "Contraception with long acting subdermal implants: I. An effective andacceptable modality in international clinical trials". E. Coutinho, A.R. da Silva,C.E.R. Mattos, S. Díaz, H.B. Croxatto, N.C. Nielsen, M. Osler, J. Wiese, P.Holma, F. Alvarez Sánchez, A. Faúndes, L.L. Williams, L. Hew, O. McDonald, S.Segal, H. Nash, D. Robertson, A. Jain, J. Stern, I. Sivin. Contraception 18:315-333, 1978.

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27. "Contraception with long acting subdermal implants: II. Measured andperceived effects in international clinical trials". E. Coutinho, A.R. da Silva,C.E.R. Mattos, S. Díaz, H.B. Croxatto, N.C. Nielsen, M. Osler, J. Wiese, P.Holma, F. Alvarez Sánchez, A. Faúndes, L.L. Williams, L. Hew, O. McDonald, S.Segal, H. Nash, D. Robertson, A. Jain, J. Stern, I. Sivin. Contraception 18:335-353, 1978.

28. "Clinical trial with subdermal implants containing norgestrienone". S. Díaz, M.Pavez, E. Quinteros, J. Díaz, D.N. Robertson and H.B. Croxatto. Contraception18:429-440, 1978.

29. "Clinical chemistry in women treated with progestogen implants". H.B.Croxatto, S. Díaz, M. Pavez. Contraception 18:441-450, 1978.

30. "Discriminatory effect of anti-Pr-beta-hCG-TT antibodies on the neutralization ofthe biological activity of placental and pituitary gonadotropins". C. Das, G.P.Talwar, S. Ramakrishnan, M. Salahuddin, S. Kumar, V. Hingorani, E. Coutinho,H.B. Croxatto, E. Hemmingson, E.D.B. Johansson, T. Luukkainen, S. Shahani,K. Sundaram, H.A. Nash, S.J. Segal. Contraception 18:35-50, 1978.

31. "Effect of 15 (S)-15-Methyl-Prostaglandin F2-alpha on human oviductal motilityand ovum transport". H.B. Croxatto, M.E. Ortiz, E. Guiloff, A. Ibarra, A.M.Salvatierra, H-D. Croxatto, C.H. Spilman. Fertil. Steril. 30:408-414, 1978.

32. "Transporte de microesferas por el útero humano". J. Vásquez, F. Díaz, H.B.Croxatto. Rev. Chil. Obstet. Ginecol. 43:168-174, 1978.

33. "Transporte ovular en mujeres tratadas con Ritodrine y Ergonovina". R. Hess,M.E. Ortiz, S. Díaz, H.B. Croxatto. Rev. Chil. Obstet. Ginecol. 43:288-293,1978.

34. "Attempts to modify ovum transport in women". H.B. Croxatto, M.E. Ortiz, S.Díaz, R. Hess. J. Reprod. Fertil. 55:231-237, 1979.

35. "Ovum transport in women treated with methyl ergonovine". E. Guiloff, A.Ibarra-Polo, M.E. Ortiz, A.M. Salvatierra, R. Guerrero, H.B. Croxatto. Am. J.Obstet. Gynecol. 134:321-324, 1979.

36. "A three year clinical trial with levonorgestrel silastic implants". S. Díaz, M.Pavez, D.N. Robertson and H.B. Croxatto. Contraception 19:557-573, 1979.

37. "Ovum transport and fertility following postovulatory treatment with estradiol inrats". M.E. Ortiz, M. Villalón and H.B. Croxatto. Biol. Reprod. 21:1163-1167,1979.

38. "Correlation between histologic dating of human corpus luteum and theLuteinizing hormone peak-biopsy interval". H-D. Croxatto, M.E. Ortiz, H.B.Croxatto. Am. J. Obstet. Gynecol. 136:667-670, 1980.

39. "Studies on the duration of ovum transport by the human oviduct. III. Timeinterval between the Luteinizing hormone peak and egg recovery bytranscervical flushing of the uterus in normal women". S. Díaz, M.E. Ortiz, H.B.Croxatto. Am. J. Obstet. Gynecol. 137:116-121, 1980.

40. "Norplant: Reversible implant contraception". I. Sivin, D.N. Robertson, J. Stern,H.B. Croxatto, S. Díaz, E. Coutinho, A.R. da Silva, F. Alvarez, A. Faúndes, O.

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McDonald, P. Holma, N.C. Nielsen, M. Osler and H.A. Nash. Stud. Fam. Plann.11:227-235, 1980.

41. "Efecto de la progesterona sobre la lactancia y la infertilidad postparto". O.Peralta, S. Díaz, H.B. Croxatto, G. Juez, M.E. Casado, A.M. Salvatierra, E.Durán. Rev. Chil. Obstet. Ginecol. 45:131-140, 1980.

42. "Ectopic pregnancies associated with low dose progestagen-releasing IUD's". S.Díaz, H.B. Croxatto, M. Pavez, E. Quinteros, D. Carrillo, L. Simonetti, H-D.Croxatto, S. Rosati. Contraception 2:259-269, 1980.

43. "Regulación de la fertilidad por medio de implantes subcutáneos deprogestágenos". S. Díaz, H.B. Croxatto, M. Pavez, P. Miranda, E. Quinteros.Rev. Chil. Obstet. Ginecol. 45:316-324, 1980.

44. "Plasma levels of levonorgestrel in women during longterm use of Norplant".H.B. Croxatto, S. Díaz, P. Miranda, K. Elamsson and E.D.B. Johansson.Contraception 23:197-209, 1981.

45. "Ovum transport in pregnant, pseudopregnant, and cyclic rats and itsrelationship to estradiol and progesterone blood levels". M.L. Forcelledo, R.Vera and H.B. Croxatto. Biol. Reprod. 24:760-765, 1981.

46. "Endocrine response and ovum transport in women treated with D-Trp6-Luteinizing hormone-releasing hormone in the post ovulatory period". E.Guiloff, A.M. Salvatierra, M.E. Ortiz, H.B. Croxatto. Am. J. Obstet. Gynecol.142:148-152, 1982.

47. "Differential transport of fertilized and unfertilized ova in the rat". M. Villalón,M.E. Ortiz, C. Aguayo, J. Muñoz and H.B. Croxatto. Biol. Reprod. 26:337-341,1982.

48. "Plasma progesterone levels following subdermal implantation of progesteronepellets in lactating women". H.B. Croxatto, S. Díaz, O. Peralta, A.M. Salvatierraand A. Brandeis. Acta Endocrinologica 100:630-633, 1982.

49. "Fertility regulation in nursing women. I. The probability of conception in fullnursing women living in an urban setting". S. Díaz, O. Peralta,. Juez, A.M.Salvatierra, M.E. Casado, E. Durán, H.B. Croxatto. J. Biosoc. Sci. 14:329-341,1982.

50. "Postovulatory aging of human ova: I. Light microscopic observations". M.E.Ortiz, A.M. Salvatierra, J. López, E. Fernández and H.B. Croxatto. Gamete Res.6:11-17, 1982.

51. "A five year clinical trial of levonorgestrel silastic implants (NorplantTM). S.Díaz, M. Pavez, P. Miranda, D.N. Robertson, I. Sivin and H.B. Croxatto.Contraception 25:447-456, 1982.

52. "Changes in nuclear estrogen receptor levels in the rat oviduct during ovumtransport". B. Fuentealba, R. Vera, M. Nieto and H.B. Croxatto. Biol. Reprod.27:12-16, 1982.

53. "Plasma progesterone levels during long-term treatment with levonorgestrelsilastic implants". H.B. Croxatto, S. Díaz, M. Pavez, P. Miranda and A. Brandeis.Acta Endocrinol.101:307-311, 1982.

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54. "Fertility regulation in nursing women. II. Comparative performance ofprogesterone implants versus placebo and Copper T". H.B. Croxatto, S. Díaz,O. Peralta, G. Juez, M.E. Casado, A.M. Salvatierra and E. Durán. Amer. J.Obstet. Gynecol. 144:201-208, 1982.

55. "Role of ovarian and adrenal progesterone in the regulation of ovum transportin pregnant rats". M.L. Forcelledo, P. Morales, R. Vera, S. Quijada and H.B.Croxatto. Biol. Reprod. 27:1033-1041, 1982.

56. "Transporte del huevo por el tracto genital y su regulación". H.B. Croxatto,M.E. Ortiz, M.L. Forcelledo y B. Fuentealba. Arch. Biol. Med. Exp. 15:309-314,1982.

57. "Regulación de la fertilidad por medio de anillos vaginales medicados conestradiol y levonorgestrel". S. Díaz, H.B. Croxatto, M. Pavez, P. Miranda y I.Sivin. Rev. Chil. Obstet. Ginecol. 47:266-273, 1982.

58. "Postovulatory aging of human ova: II. Spontaneous division of the first polarbody". M.E. Ortiz, P. Lucero and H.B. Croxatto. Gamete Res. 7:269-276, 1983.

59. "Fertility regulation in nursing women. III. Short-term influence of a low-dosecombined oral contraceptive upon lactation and infant growth". S. Díaz, O.Peralta, G. Juez, C. Herreros, M.E. Casado, A.M. Salvatierra, P. Miranda, E.Durán and H.B. Croxatto. Contraception 27:1-11, 1983.

60. "Fertility regulation in nursing women. IV. Long-term influence of a low-dosecombined oral contraceptive initiated at day 30 postpartum upon lactation andinfant growth". H.B. Croxatto, S. Díaz, O. Peralta, G. Juez, C. Herreros, M.E.Casado, A.M. Salvatierra, P. Miranda and E. Durán. Contraception 27:13-25,1983.

61. "Fertility regulation in nursing women. V. Long-term influence of a low-dosecombined oral contraceptive initiated at day 90 postpartum upon lactation andinfant growth". O. Peralta, S. Díaz, G. Juez, C. Herreros, M.E. Casado, A.M.Salvatierra, P. Miranda, E. Durán and H.B. Croxatto. Contraception 27:27-38,1983.

62. "Clinical chemistry in women treated with levonorgestrel implants (Norplant ora TCU 200 IUD)". H.B. Croxatto, S. Díaz, D.N. Robertson and M. Pavez.Contraception 27:281-288, 1983.

63. "Regulación hormonal del transporte ovular". B. Fuentealba, M.L. Forcelledo,M.E. Ortiz y H.B. Croxatto. Rev. Méd. Chile 111:1057-1060, 1983.

64. "Growth pattern of selected urban chilean infants during exclusivebreastfeeding". G. Juez, S. Díaz, M.E. Casado, E. Durán, A.M. Salvatierra, O.Peralta and H.B. Croxatto. Am. J. Clin. Nutr. 38:462-468, 1983.

65. "Influencia de un anticonceptivo oral combinado sobre la lactancia y elcrecimiento del niño". O. Peralta, S. Díaz, G. Juez, C. Herreros, M.E. Casado,A.M. Salvatierra, P. Miranda y H.B. Croxatto. Rev. Chil. Obstet. Ginecol.48:372-380, 1983.

66. "Scanning electron microscopy and X-ray microanalysis of foreign bodiesassociated with silastic implants in humans". A.H. Tatum, J.D. Shelburne, P.

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Ingram, D.N. Robertson, H.B. Croxatto, S. Díaz. Contraception 28:543-552,1983.

67. "Lactancia materna exclusiva: Crecimiento del lactante en un gruposeleccionado de niños chilenos". G. Juez, S. Díaz, O. Peralta, H.B. Croxatto,M.E. Casado, A.M. Salvatierra, E. Durán, M. Fernández. Rev. Chil. Pediatr.55:225-230, 1984.

68. "Multicenter clinical trial of implanted norethindrone pellets for long-actingcontraception in women". G.N. Gupta, R. Landesman, B.B. Saxena, M. Singh,R.H. Asch, H.B. Croxatto, S. Díaz, M. Pavez, E.M. Coutinho, R. Rivera and A.Goldsmith. Contraception 30:239-252, 1984.

69. "Fertility regulation in nursing women. VI. Contraceptive efficacy of asubdermal progesterone implant". S. Díaz, O. Peralta, G. Juez, C. Herreros,M.E. Casado, A.M. Salvatierra, P. Miranda, H.B. Croxatto. Contraception30:311-325, 1984.

70. "Varying response of ovum transport in mice related to dose and time ofadministration of oestradiol". H. Moscoso, J. Ellies, R. Vera and H.B. Croxatto.Acta Physiol. Pharmacol. Latinoam. 34:253-261, 1984.

71. "Anticoncepción con pellets de progesterona durante la lactancia". O. Peralta,S. Díaz, G. Juez, C. Herreros, M.E. Casado, A.M. Salvatierra, P. Miranda, A.Brandeis, C. Romero, E. Nuñez, H.B. Croxatto. Rev. Chil. Obstet. Ginecol.49:337-345, 1984.

72. "Clinical chemistry in women treated with six levonorgestrel covered rods orwith a copper IUD". S. Díaz, H.B. Croxatto, M. Pavez. Contraception 31:321-330, 1985.

73. "Contraception with long-acting subdermal implants. A five-year clinical trialwith silastic covered rod implants containing levonorgestrel". D.N. Robertson,S. Díaz, F. Alvarez-Sánchez, P. Holma, D.R. Mishell, E. Coutinho, V. Brache,H.B. Croxatto, A. Faúndes, M. Lacarra, M. Pavez, S. Roy, A.R. da Silva, I. Sivinand J. Stern. Contraception 31:351-359, 1985.

74. "Plasma levonorgestrel and progesterone levels in women treated with silasticcovered rods containing levonorgestrel". H.B. Croxatto, S. Díaz, A. Brandeis,M. Pavez and E.D.B. Johansson. Contraception 31:643-654, 1985.

75. "Fertility regulation in nursing women. VII. Influence of NORPLANTRlevonorgestrel implants upon lactation and infant growth". S. Díaz, C. Herreros,G. Juez, M.E. Casado, A.M. Salvatierra, P. Miranda, O. Peralta and H.B.Croxatto. Contraception 32:53-74, 1985.

76. "Fertility regulation in nursing women. VIII. Progesterone plasma levels andcontraceptive efficacy of a progesterone-releasing vaginal ring". S. Díaz, T.M.Jackanicz, C. Herreros, G. Juez, O. Peralta, P. Miranda, M.E. Casado, V.Schiappacasse, A.M. Salvatierra, A. Brandeis and H.B. Croxatto. Contraception32:603-622, 1985.

77. "Influencia de los implantes anticonceptivos NorplantR en la lactancia y elcrecimiento de los niños". S. Díaz, C. Herreros, G. Juez, O. Peralta, H.B.

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Croxatto, M.E. Casado, A.M. Salvatierra y P. Miranda. Rev. Chil. Obstet.Ginecol. 50:421-428, 1985.

78. "Fertilized and unfertilized ova are transported at different rates by the hamsteroviduct". M.E. Ortiz, P. Bedregal, M.I. Carvajal and H.B. Croxatto. Biol.Reprod. 34:777-781, 1986.

79. "Bleeding pattern, outcome of accidental pregnancies and levonorgestrelplasma levels associated with method failure in NorplantR implants users". S.Díaz, M. Pavez, C. Herreros, E.D.B. Johansson and H.B. Croxatto.Contraception 33:347-356, 1986.

80. "Ensayo clínico de anillos vaginales liberadores de progesterona comoanticonceptivo en la lactancia". S. Díaz, O. Peralta, C. Herreros, G. Juez, P.Miranda, M.E. Casado, V. Schiappacasse, A.M. Salvatierra, A. Brandeis, T.Jackanicz y H.B. Croxatto. Rev. Chil. Obstet. Ginecol. 51:270-278, 1986.

81. "Anatomy and pathology of tubal pregnancy". C.J. Pauerstein, H.B. Croxatto,C.A. Eddy, I. Ramzy and M.D. Walters. Obstet. Gynecol. 67:301-308, 1986.

82. "Ovum transport in cyclic rats rendered hypo-estrogenic by treatment with 4-hydroxy-4-androstene-3,17-dione". M.L. Forcelledo and H.B. Croxatto. J.Reprod. Fertil. 76:325-330, 1986.

83. "Effectiveness of different estrogen pulses in plasma for accelerating ovumtransport and their relation to estradiol levels in the rat oviduct". M.L.Forcelledo, M.L. de la Cerda and H.B. Croxatto. Endocrinology 119:1189-1194,1986.

84. "Two satisfactory methods for purification of human acrosin". L. Leyton, A. deIoannes, H.B. Croxatto, E.J. Graham and J.S. Elce. Biochem. Cell. Biol.64:1020-1024, 1986.

85. "Monoclonal antibodies to bovine and human acrosin". J.S. Elce, E.J. Graham,G. Zboril, L. Leyton, E. Pérez, H.B. Croxatto and A. de Ioannes. Biochem. Cell.Biol. 64:1242-1248, 1986.

86. "Quantitation of RU486 in human plasma by HPLC and RIA after columnchromatography". O. Heikinheimo, M. Tevilin, D. Shoupe, H. Croxatto and P.Lahteenmaki. Contraception 34:613-624, 1986.

87. "Plasma concentrations and receptor binding of RU486 and its metabolites inhumans". O. Heikinheimo, K. Kontula, H. Croxatto, I. Spitz, T. Luukkainen andP. Lahteenmaki. J. Steroid Biochem. 26:279-284, 1987.

88. "Long-term follow-up of women treated with NorplantR implants". S. Díaz, M.Pavez, P. Miranda, E.D.B. Johansson and H.B. Croxatto. Contraception35:551-567, 1987.

89. "Recovery of fertility and outcome of planned pregnancies after the removal ofNorplantR subdermal implants or Copper-T IUDs". S. Díaz, M. Pavez, H.Cárdenas and H.B. Croxatto. Contraception 35:569-579, 1987.

90. "The mode of action of IUDs". M.E. Ortiz and H.B. Croxatto. Contraception36:37-53, 1987.

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91. "Treatment with NorplantR subdermal implants inhibits sperm penetrationthrough cervical mucus in vitro". H.B. Croxatto, S. Díaz, A.M. Salvatierra, P.Morales, C. Ebensperger and A. Brandeis. Contraception 36:193-201, 1987.

92. "Ovum transport in pregnant rats is little affected by RU486 and exogenousprogesterone as compared to cycling rats". B. Fuentealba, M. Nieto and H.B.Croxatto. Biol. Reprod. 37:768-774, 1987.

93. "Metabolism and serum binding of RU 486 in women after various single doses".O. Heikinheimo, P.L.A. Lahteenmaki, E. Koivunen, D. Shoupe, H. Croxatto, T.Luukkainen and P. Lahteenmaki. Hum. Reprod. 2:379-385, 1987.

94. "Intravaginal administration of RU 486 in humans and rats: inadequateabsorption in humans". O. Heikinheimo, H. Croxatto, A.M. Salvatierra, C.C.Chang, T. Luukkainen and P. Lahteenmaki. Hum. Reprod. 2:645-648, 1987.

95. "Late luteal phase administration of RU486 for three successive cycles does notdisrupt bleeding patterns or ovulation". H.B. Croxatto, A.M. Salvatierra, C.Romero and I.M. Spitz. J. Clin. Endocrinol. Metab. 65:1272-1277, 1987.

96. "The effect of RU486 on transport, development and implantation of mouseembryos". L.S. Roblero, O. Fernández and H.B. Croxatto. Contraception36:549-555, 1987.

97. "Amenorrea, anovulación e infertilidad asociadas a la lactancia en un gruposeleccionado de mujeres urbanas". S. Díaz, H.B. Croxatto, O. Peralta, C.Herreros, G. Juez, G. Rodríguez, G. Marshall, M.E. Casado, P. Miranda, V.Schiappacasse, A.M. Salvatierra y A. Brandeis. Rev. Chil. Obstet. Ginecol.52:320-326, 1987.

98. "Pharmacokinetics and metabolism of RU 486". P. Lahteenmaki, O.Heikinheimo, H. Croxatto, I. Spitz, D. Shoupe, L. Birgerson and T. Luukkainen.J. Steroid Biochem. 27:859-869, 1987.

99. "Progesterone abbreviates the nuclear retention of estrogen receptor in the ratoviduct and counteracts estrogen action on egg transport". B. Fuentealba, M.Nieto and H.B. Croxatto. Biol. Reprod. 38:63-69, 1988.

100. "A study on the feasibility of suppressing ovarian activity following the end ofpostpartum amenorrhea by increasing the frequency of suckling". S. Díaz, P.Miranda, A. Brandeis, H. Cárdenas and H.B. Croxatto. Clin. Endocrinol. 28:525-535, 1988.

101. Synthetic microspheres transferred to the rat oviduct on day 1 of pregnancymimic the transport of native ova". G.D. Moore and H.B. Croxatto. J. Reprod.Fert. 82:735-742, 1988.

102. Inhibition of sperm migration, fertilization and implantation in rats byprecoital intrauterine administration of gossypol or nonoxynol-9". G.D. Moore,A. Salazar, H. Cárdenas and H.B. Croxatto. Contraception 37:85-98, 1988.

103. "Estradiol plasma levels during long-term treatment with NorplantRsubdermal implants". H.B. Croxatto, S. Díaz, M. Pavez, A. Brandeis.Contraception 38:465-475, 1988.

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104. "Breastfeeding pattern and the duration of lactational amenorrhea in urbanchilean women". S. Díaz, G. Rodríguez, G. Marshall, G. del Pino, M.E. Casado,P. Miranda, V. Schiappacasse and H.B. Croxatto. Contraception 38:37-51,1988.

105. "Lactational amenorrhea and the recovery of ovulation and fertility in fullynursing chilean women". S. Díaz, G. Rodríguez, O. Peralta, P. Miranda, M.E.Casado, A.M. Salvatierra, C. Herreros, A. Brandeis and H.B. Croxatto.Contraception 38:53-67, 1988.

106. "Effects of 4-hydroxyandrostenedione and exogenous testosterone on bloodconcentrations of oestradiol and oviducal embryo transport in the rat". M.L.Forcelledo and H.B. Croxatto. J. Endocrinol. 118:93-100, 1988.

107. "Clearance of levonorgestrel from the circulation following removal ofNorplantR subdermal implants". H.B. Croxatto, S. Díaz, M. Pavez, H. Cárdenas,M. Larsson and E.D.B. Johansson. Contraception 38:509-523, 1988.

108. "Effects of delayed transfer and treatment with oestrogen on the transport ofmicrospheres by the rat oviduct". G.D. Moore and H.B. Croxatto. J. Reprod.Fertil. 83:795-802, 1988.

109. "Estrogen and progesterone receptors in the oviduct during egg transport incyclic and pregnant rats". B. Fuentealba, M. Nieto and H.B. Croxatto. Biol.Reprod. 39:751-757, 1988.

110. "On the rate of tubal pregnancy contralateral to the corpus luteum". A.Insunza, F. de Pablo, H.D. Croxatto, L.M. Letelier, M. Morante and H.B.Croxatto. Acta Obstet. Gynecol. Scand. 67:433-436, 1988.

111. "Circadian variation of basal plasma prolactin, prolactin response to sucklingand the length of amenorrhea in nursing women". S. Díaz, M. Serón-Ferré, H.Cárdenas, V. Schiappacasse, A. Brandeis and H.B. Croxatto. J. Clin. Endocrinol.Metab. 68:946-955, 1989.

112. "A longitudinal study on cortisol, prolactin and thyroid hormones in users ofNorplantR subdermal implants or a copper T device". S. Díaz, M. Pavez, A.Brandeis, H. Cárdenas and H.B. Croxatto. Contraception 40:505-517, 1989.

113. "Variable effects of RU486 on endometrial maintenance in the luteal phaseextended by exogenous hCG". H.B. Croxatto, A.M. Salvatierra, H.D. Croxattoand I.M. Spitz. Clin. Endocrinol. 31:15-23, 1989.

114. "Effect of oestradiol delivered from a perioviductal device on ovum transportin mice". J. Zenteno, C. Silva, H. Cárdenas and H.B. Croxatto. J. Reprod.Fertil. 86:545-548, 1989.

115. "Embryos of different ages transferred to the rat oviduct enter the uterus atdifferent times". M.E. Ortiz, C. Llados and H.B. Croxatto. Biol. Reprod. 41:381-384, 1989.

116. "Ultrastructure of a 4-cell human embryo developed in vivo". J. Pereda, S.Cheviakoff and H.B. Croxatto. Hum. Reprod. 4:680-688, 1989.

117. "Cumulus cell dispersion induced by estradiol in mouse oviduct in vitro". L.S.Roblero, M.D. Riffo and H.B. Croxatto. Gamete Res. 23:467-473, 1989.

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118. "Seguimiento a largo plazo de mujeres tratadas con implantesanticonceptivos de levonorgestrel NorplantR". S. Díaz, M. Pavez, P. Miranda, E.Quinteros y H.B. Croxatto. Rev. Chil. Obstet. Ginecol. 54:323-332, 1989.

119. "Clinical assessment of treatments for prolonged bleeding in users ofNorplantR implants". S. Díaz, H.B. Croxatto, M. Pavez, H. Belhadj, J. Stern andI. Sivin. Contraception 42:97-109, 1990.

120. "Milk and plasma concentrations of the progestin ST-1435 in women treatedparenterally with ST-1435". P.L.A. Lahteenmaki, S. Díaz, P. Miranda, H.B.Croxatto, P. Lahteenmaki. Contraception 42:555-562, 1990.

121. "Increased secretion of adrenal progesterone explains the lack of response ofoviductal embryo transport to a short intravenous infusion of estradiol in therat". F.M. Morán, M.L. Forcelledo and H.B. Croxatto. Arch. Biol. Med. Exp.23:299-305, 1990.

122. "Patología anexial no inflamatoria durante el uso de implantes delevonorgestrel (NorplantR) o dispositivos intrauterinos". O. Peralta, M. Pavez,S. Díaz y H.B. Croxatto. Rev. Chil. Obstet. Ginecol. 55:231-237, 1990.

123. "Contraceptive efficacy of lactational amenorrhea in urban chilean women".S. Díaz, R. Aravena, H. Cárdenas, M.E. Casado, P. Miranda, V. Schiappacasse,H.B. Croxatto. Contraception 43:335-352, 1991.

124. "Importance of uterine expulsion of embryos in the interceptive mechanismof postcoital oestradiol in rats". M.E. Ortiz, G. Bastías, O. Darrigrande and H.B.Croxatto. Reprod. Fertil. Dev. 3:333-337, 1991.

125. "Effect of RU486 on development and implantation of rat embryo". L.S.Roblero and H.B. Croxatto. Mol. Reprod. Develop. 29:342-346, 1991.

126. "Clinical trial with 3-keto-desogestrel subdermal implants". S. Díaz, M.Pavez, A.J. Moo-Young, C.W. Bardin and H.B. Croxatto. Contraception 44:393-408, 1991.

127. "Early difference in the endocrine profile of long and short lactationalamenorrhea". S. Díaz, H. Cárdenas, A. Brandeis, P. Miranda, V. Schiappacasse,A.M. Salvatierra, C. Herreros, M. Serón-Ferré and H.B. Croxatto. J. Clin.Endocrinol. Metab. 72:196-201, 1991.

128. "Differential transport of fertilized and unfertilized eggs". M.E. Ortiz, G.Gajardo, L. Mosso, P. Rojas, J. Carvajal, P. Ortiz and H.B. Croxatto. Arch. Biol.Med. Exp. 24:393-401, 1991.

129. "Hormonal control of ovum transport through the rat oviduct". H.B.Croxatto, M.E. Ortiz, M.L. Forcelledo, B. Fuentealba, G. Noé, G. Moore, F. Moránand H. Cárdenas. Arch. Biol. Med. Exp. 24:403-410, 1991.

130. "Changes in serum levels of SHBG, endogenous ligands and levonorgestrelinduced by ethinylestradiol in NorplantR users". G. Noé, M. Pavez and H.B.Croxatto. Contraception 45:187-201, 1992.

131. "Relative contributions of anovulation and luteal phase defect to the reducedpregnancy rate of breastfeeding women". S. Díaz, H. Cárdenas, A. Brandeis, P.Miranda, A.M. Salvatierra, H.B. Croxatto. Fertil. Steril. 58:498-503, 1992.

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132. "El proceso ovulatorio". H.B. Croxatto. Actual. Ginecol. Obstet. 5:312-327,1992.

133. "Tissue uptake of human sex hormone-binding globulin and its influence onligand kinetics in the adult female rat". G. Noé, Y.C. Cheng, M. Dabiké and H.B.Croxatto. Biol. Reprod. 47:970-976, 1992.

134. "Serum osteocalcin in normal menstrual cycle". J.M. López, G. González, C.Campino, A.M. Salvatierra, H.B. Croxatto. Medicina 52:37-40, 1992.

135. "Human preimplantation development in vivo: Ultrastructural observations".J. Pereda, H.B. Croxatto. Ann. Acad. Med. Singapore 21:480-488, 1992.

136. "Preimplantation development in primates". H.B. Croxatto. Reproduction &Contraception 4:1-6, 1992.

137. "Effects of continuous treatment with low dose mifepristone throughout onemenstrual cycle". H.B. Croxatto, A.M. Salvatierra, H-D. Croxatto and B.Fuentealba. Hum. Reprod. 8:201-207, 1993.

138. "Response to intermittent RU486 in women". I.M. Spitz, H.B. Croxatto, A-M.Salvatierra, O. Heikinheimo. Fertil. Steril. 59:971-975, 1993.

139. "NorplantR: Levonorgestrel-releasing contraceptive implant". H.B. Croxatto.Ann. Med. 25:155-160, 1993.

140. "Additive effect of RU486 and Anordrin on pregnancy interruption in themouse". M.L. Forcelledo, H. Cárdenas and H.B. Croxatto. Contraception47:317-323, 1993.

141. "Contraception in lactating women". S. Díaz and H.B. Croxatto. Curr. Opin.Obstet. Gynecol. 5:815-822, 1993.

142. "Postovulatory aging of the rat oocyte: Cytologic changes". M.E. Ortiz, M.L.de la Cerda, P. Lucero and H.B. Croxatto. Biol. Res. 26:517-527, 1993.

143. "Pharmacokinetics and bioavailability of ST 1435 administered by differentroutes". G. Noé, A. Salvatierra, O. Heikinheimo, X. Maturana and H.B.Croxatto. Contraception 48:548-556, 1993.

144. "Increased sensitivity and accumulation of estradiol in the rat oviduct duringearly pregnancy". M.E. Ortiz, G. Noé, G. Bastías, O. Darrigrande and H.B.Croxatto. Biol. Res. 27:57-61, 1994.

145. "Effect of mifepristone on inhibition of ovulation and induction of luteolysis".I.M. Spitz, H.B. Croxatto, P. Lähteenmäki, O. Heikinheimo and C.W. Bardin.Hum. Reprod. 9, Suppl. 1:69-76, 1994.

146. "Effects of RU486 on the ovarian response of immature rats to pregnantmare's serum gonadotrophin or diethylstilbestrol". M.L. Forcelledo, L. Leiva andH.B. Croxatto. Hum. Reprod. 9:24-31, 1994.

147. "Effect of the antiprogestin onapristone on follicular growth in women". H.B.Croxatto, A.M. Salvatierra, B. Fuentealba, Ch. Zurth and S. Beier. Hum.Reprod. 9:1442-1447, 1994.

148. "Antiprogestinas en anticoncepción". B. Fuentealba, A.M. Salvatierra y H.B.Croxatto. Adv. Contracept. 10, Suppl. 1:61-68, 1994.

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149. "Comparison of the effect of hypothalamic neuropeptides upon luteinizinghormone secretion by cultured rat anterior pituitary cells". L. Leiva and H.B.Croxatto. Biol. Res. 27:113-121, 1994.

150. "New leads in contraception and innovations in existing contraceptivemethods". H.B. Croxatto. Curr. Sci. 68:434-436, 1995.

151. "Clinical trial with NestoroneTM subdermal contraceptive implants". S. Díaz,V. Schiappacasse, M. Pavez, A. Zepeda, A.J. Moo-Young, A. Brandeis, P.Lähteenmäki and H.B. Croxatto. Contraception 51:33-38, 1995.

152. "Sperm migration through the female genital tract of the new world monkeyCebus apella". M-E. Ortiz, G. Gajardo, C-G. León, E. Herrera, E. Valdez andH.B. Croxatto. Biol. Reprod. 52:1121-1128, 1995.

153. "Effects of intermittent antiprogestin RU486 combined with cyclic medroxy-progesterone acetate on folliculogenesis and ovulation". R. Kekkonen, H.B.Croxatto, P. Lähteenmäki, A.M. Salvatierra and J. Tuominen. Hum. Reprod.10:287-292, 1995.

154. "Possible role of platelet-activating factor in embryonic signaling duringoviductal transport in the hamster". L.A. Velásquez, J.G. Aguilera and H.B.Croxatto. Biol. Reprod. 52:1302-1306, 1995.

155. "Luteinizing hormone pulsatile release and the length of lactationalamenorrhoea". S. Díaz, H. Cárdenas, A. Zepeda, A. Brandeis, V.Schiappacasse, P. Miranda, M. Serón-Ferré and H.B. Croxatto. Hum. Reprod.10:1957-1961, 1995.

156. "Follicle stimulating hormone-granulosa cell axis involvement in theantifolliculotrophic effect of low dose mifepristone (RU486)". H.B. Croxatto,A.M. Salvatierra, B. Fuentealba and L. Leiva. Hum. Reprod. 10:1987-1991,1995.

157. "Ultrastructure of human cumulus oophorus: a transmission electronmicroscopic study on oviductal oocytes and fertilized eggs". P.M. Motta, S.A.Nottola, J. Pereda, H.B. Croxatto and G. Familiari. Hum. Reprod. 10:2361-2367, 1995.

158. "Effects of a sequential regimen of mifepristone-medroxy-progesteroneacetate on ovarian function, endometrial development and hormonalparameters. H.B. Croxatto, M.R. Massai, A.M. Salvatierra, B. Fuentealba, H.D.Croxatto and P. Lähteenmäki. Contraception 54:79-86, 1996.

159. "Sucking pressure and its relationship to milk transfer during breastfeeding inhumans". C.R. Prieto, H. Cárdenas, A.M. Salvatierra, C. Boza, C.G. Montes andH.B. Croxatto. J. Reprod. Fertil. 108:69-74, 1996.

160. "Expression of platelet-activating factor receptor in the hamster oviduct:localization to the endosalpinx". L.A. Velásquez, S.R. Ojeda and H.B. Croxatto.J. Reprod. Fertil. 109:349-354, 1997.

161. "NorplantR". H.B. Croxatto. Rev. Iber. Fertil. Reprod. Hum. XIV: 187-192,1997.

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162. “Potencial aplicación de las antiprogestinas en anticoncepción” H.B. Croxatto,B. Fuentealba, A.M. Salvatierra, R. Massai. Rev. Iber. Fertil. Reprod. Hum. XIV:243-248, 1997.

163. "Contraceptives for lactating women: A comparative trial of a progesterone-releasing vaginal ring and the copper T 380A IUD". I. Sivin, S. Díaz, H.B.Croxatto, P. Miranda, M. Shaaban, E.H. Sayed, B. Xiao, S-Ch. Wu, M-k. Du, F.Alvarez, V. Brache, S. Basnayake, T. McCarthy, M. Lacarra, D.R. Mishell, Jr., S.Koetsawang, J. Stern and T. Jackanicz. Contraception 55:225-232, 1997.

164. "Fertility regulation in nursing women IX. Contraceptive performance,duration of lactation, infant growth, and bleeding patterns during use ofprogesterone vaginal rings, progestin-only pills, NorplantR implants, and CopperT 380-A intrauterine devices". S. Díaz, A. Zepeda, X. Maturana, M.V. Reyes, P.Miranda, M.E. Casado, O. Peralta and H.B. Croxatto. Contraception 56:223-232, 1997.

165. "Non-abortive effect of Adhatoda vasica spissum leaf extract by oraladministration in rats". R. Burgos, M. Forcelledo, H. Wagner, A. Müller, J.Hancke, G. Wikman and H. Croxatto. Phytomedicine 4:143-147, 1997.

166. "Effects of long-term low-dose mifepristone on reproductive function inwomen". H.B. Croxatto, L. Kovács, R. Massai, B.A. Resch, B. Fuentealba, A.M.Salvatierra, H.D. Croxatto, S. Zalányi, S. Viski and L. Krenács. Hum. Reprod.13:793-798, 1998.

167. “The expression of v and 3 integrin subunits in the normal humanFallopian tube epithelium suggest the occurrence of a tubal implantationwindow”. L. Sülz, J.P. Valenzuela, A. M. Salvatierra, M.E. Ortiz and H. B.Croxatto. Hum. Reprod. 13:2916-2920, 1998.

168. “Contraceptive potencial of a mifepristone-nomegestrol acetate sequentialregimen in women”. H.B. Croxatto, A. M. Salvatierra, B. Fuentealba and R.Massai. Hum Reprod. 13:3297-3302, 1998.

169. “A multicentre efficacy and safety study of the single contraceptive implantImplanonR”. H.B. Croxatto, J. Urbancsek, R. Massai, H. Coelingh Bennink, A.van Beek and the ImplanonR Study Group. Hum. Reprod. 14:976-981, 1999.

170. “Variability of breast sucking, associated milk transfer and the duration oflactational amenorrhoea”. C.R. Prieto, H. Cárdenas and H.B. Croxatto. J.Reprod. Fertil. 115:193-200, 1999.

171. “Preregistration study on the safety and contraceptive efficacy of aprogesterone-releasing vaginal ring in Chilean nursing women”. R. Massai, P.Miranda, P. Valdés, P. Lavín, A. Zepeda, M.E. Casado, M.A. Silva, G. Fetis, C.Bravo, O. Chandía, O. Peralta, H.B. Croxatto and S. Díaz. Contraception 60:9-14, 1999.

172. “NorplantR implants and progesterone vaginal rings do not affect maternalbone turnover and density during lactation and after weaning”. S. Díaz, M.V.Reyes, A. Zepeda, G.B. González, J.M. López, C. Campino and H.B. Croxatto.Hum. Reprod. 14:2499-2505, 1999.

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173. “Sperm migration into and through the oviduct following artificial iseminationat different stages of the estrous cycle in the rat”. P.A. Orihuela, M.E. Ortiz andH.B. Croxatto. Biol. Reprod. 60:908:913, 1999.

174. “Ovarian function during use of NestoroneR subdermal implants”. V. Brache,R. Massai, D.R. Mishell, Jr., A.J. Moo-Young, F. Alvarez, A.M. Salvatierra, L.Cochón, H.B. Croxatto, A. Robbins and A. Faúndes. Contraception 61:199-204,2000.

175. “Vaginal rings for contraception in lactating women”. R. Massai, S. Díaz, T.Jackanicz, H.B. Croxatto. Steroids 65:703-707, 2000.

176. “Delayed first injection of a once-a-month injectable contraceptive containing25 mg of medroxyprogesterone acetate and 5 mg of E2-cypionate: effects onovarian function. C.A. Petta, M. Hays, V. Brache, R. Massai, Y. Hua, F. Alvarez-Sánchez, H.B. Croxatto, C. d’Arcangues, L.A. Cook and L. Bahamondes. Fertil.Steril. 75:744-748, 2001.

177. “Increased adhesiveness and internalization of Neisseria gonorrhoeae andchanges in the expression of epithelial gonococcal receptors in the Fallopiantube of copper T and NorplantR users”. R. Fernández, P. Nelson, J. Delgado, J.Aguilera, R. Massai, L. Velásquez, M. Imarai, H.B. Croxatto and H. Cárdenas.Hum. Reprod. 16:463-468, 2001.

178. “A new two-rod levonorgestrel implant for female contraception: basicconcepts”. H.B. Croxatto. Gynecol. Endocrinol. 15, Suppl 1:1-5, 2001.

179. “Muc1 and glycan expression in the oviduct and endometrium of a new worldmonkey, Cebus apella”. C.J.P. Jones, M.E. Ortiz, H.B. Croxatto, A. Manzur, G.Slevin and J.D. Aplin. Biol. Reprod. 64:1535-1544, 2001.

180. “Muc1, glycans and the cell-surface barrier to embryo implantation”. J.D.Aplin, M. Meseguer, C. Simón, M.E. Ortiz, H. Croxatto and C.J.P. Jones.Biochem. Soc. Trans. 29:153-156, 2001.

181. “A segment and epithelium specific messenger ribonucleic acid fragment up-regulated by estradiol in the rat oviduct”. M. Ríos, S. Ojeda, L.A. Velásquez, K.Maisey and H.B. Croxatto. Biol. Res. 34:15-21, 2001.

182. “Contraceptive efficacy and clinical performance of Nestorone implants inpostpartum women”. M.R. Massai, S. Díaz, E. Quinteros, M.V. Reyes, C.Herreros, A. Zepeda, H.B. Croxatto, A.J. Moo-Young. Contraception 64:369-376, 2001.

183. “Disparate effects of estradiol on egg transport and oviductal proteinsynthesis in mated and cyclic rats”. P.A. Orihuela, M. Ríos, H.B. Croxatto. Biol.Reprod. 65:1232-1237, 2001.

184. “Acceleration of oviductal transport of oocytes induced by estradiol in cyclingrats is mediated by nongenomic stimulation of protein phosphorylation in theoviduct”. P.A. Orihuela, H.B. Croxatto. Biol. Reprod. 65:1238-1245, 2001.

185. “PAF receptor and PAF acetylhydrolase expression in the endosalpinx of thehuman fallopian tube: Possible role of embryo-derived PAF in the control ofembryo transport to the uterus”. L.A. Velásquez, K. Maisey, R. Fernández, D.

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Valdés, H. Cárdenas, M. Imarai, J. Delgado, J. Aguilera, H.B. Croxatto. Hum.Reprod. 16:1583-1587, 2001.

186. “Effects of the Yuzpe regimen, given during the follicular phase, on ovarianfunction”. H.B. Croxatto, B. Fuentealba, V. Brache, A.M. Salvatierra, F. Alvarez,R. Massai, L. Cochón, A. Faúndes. Contraception 65:121-128, 2002.

187. “In vivo expression of ß-galactosidase by rat oviduct exposed to naked DNAor messenger RNA”. M. Ríos, A. Venegas and H.B. Croxatto. Biol. Res. 35:333-8, 2002.

188. “Improving cycle control in progestogen-only contraceptive pill users byintermittent treatment with a new anti-progestogen”. Gemzell-Danielsson K,van Heusden AM, Killick SR, Croxatto HB, Bouchard P, Cameron S, BygdemanM. Hum Reprod 17:2588-93, 2002.

189. “Expression of proinflammatory cytokines and receptors by human fallopiantubes in organ culture following challenge with Neisseria gonorrhoeae”. MaiseyK, Nardocci G, Imarai M, Cardenas H, Rios M, Croxatto HB, Heckels JE,Christodoulides M, Velasquez LA. Infect Immun. 71:527-32, 2003.

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190. “Estrogen Receptor, Cyclic Adenosine Monophosphate and Protein Kinase Aare Involved in the Nongenomic Pathway by which Estradiol AcceleratesOviductal Oocyte Transport in Cyclic Rats”. Pedro A. Orihuela, Alexis Parada-Bustamante, Paula Cortés, Carolina Gatica and Horacio B. Croxatto. Biol Reprod68:1225-31, 2003.

191. “Effect of intrauterine insemination with spermatozoa or foreign protein onthe mechanism of action of estradiol in the rat oviduct”. A Parada-Bustamante,PA Orihuela, HB Croxatto. Reproduction 125: 677-82, 2003.

192. “Postcoital treatment with levonorgestrel does not disrupt postfertilizationevents in the rat”. Muller AL, Llados CM, Croxatto HB. Contraception 67:415-9,2003.

193. “A Clinical Trial of 7α-Methyl-19-Nortestosterone Implants for Possible Use asa Long-Acting Contraceptive for Men". Sigrid von Eckardstein, Gabriela Noe,Vivian Brache, Eberhard Nieschlag, Horacio Croxatto, Francisco Alvarez, AlfredMoo-Young, Irving Sivin, Narender Kumar, Margaret Small, Kalyan Sundaram. JClin Endocrinol Metab 88:5232-5239, 2003.

194. “Mechanism of action of emergency contraception”. Horacio B Croxatto, MariaE Ortiz, Andrés L Müller. Steroids 68:!095-1098, 2003.

195. “Two-year performance of a Nestorone®-releasing contraceptive implant: athree-center study of 300 women”. I. Sivin, H. Croxatto, L. Bahamondes, V.Brache, F. Alvarez, R. Massai, J. Schechter, S. Ranta, N. Kumar, E. Wu, A.S.Tejeda, V. Reyes, E. Travers, A. Allen, A. Moo-Young. Contraception 69:137-144, 2004.

196. “Post-coital administration of levonorgestrel does not interfere with post-fertilization events in the new world monkey Cebus apella”. ME Ortiz, RE Ortiz,Fuentes, VH Parraguez, HB Croxatto. Human Reproduction 19, 6:1352-1356,2004.

197. "Effect of intermittent treatment with mifepristone on bleeding patterns inNorplant® implant users". María Rebeca Massai, Margarita Pavez, BlancaFuentealba, Horacio B. Croxatto, Catherine d'Arcangues. Contraception 70:47-54,2004.

198. “Sperm binding to oviductal epithelial cells in the rat: role of sialic acidresidues on the epithelial surface and sialic acid-binding sites on the spermsurface”. Cortes PP, Orihuela PA, Zuniga LM, Velasquez LA, Croxatto HB. BiolReprod. 71:1262-9, 2004.

199. “Pituitary-ovarian function following the standard levonorgestrel emergencycontraceptive dose or a single 0.75-mg dose given on the days precedingovulation”. Croxatto HB, Brache V, Pavez M, Cochon L, Forcelledo ML, Alvarez F,Massai R, Faundes A, Salvatierra AM. Contraception. 70:442-50, 2004.

200. “Contraceptive vaginal rings releasing Nestorone and ethinylestradiol: a 1-year dose-finding trial”. Sivin I, Mishell DR Jr, Alvarez F, Brache V, Elomaa K,Lahteenmaki P, Massai R, Miranda P, Croxatto H, Dean C, Small M, Nash H,Jackanicz TM.Contraception 71:122-129, 2005.

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201. “Cytologic, hormonal and ultrasonographic correlates of the menstrual cycleof the New World monkey, Cebus apella”. Ortiz RE, Ortiz AC, Gajardo G, ZepedaAJ, Parraguez VH, Ortiz ME, Croxatto HB. American Journal of Primatology 66:233-244, 2005.

202. “Extended use of a progesterone-releasing vaginal ring in nursing women:Phase II clinical trial”. Massai R, Quinteros E, Reyes V, Caviedes R, Zepeda A,Montero JC, Croxatto HB. Contraception 72:352-357, 2005.

203. “Pituitary-ovarian axis during lactational amenorrhoea: i. longitudinalassessment of follicular growth, gonadotrophins, sex steroids, and inhibin levelsbefore and after recovery of menstrual cyclicity”. E.V.Velasquez, R.V.Trigo,S.Creus, S. Campo, H.B.Croxatto. Human Reprod 21, 4: 909-915, 2006.

204. “Pituitary-ovarian axis during lactational amenorrhoea: ii. longitudinalassessment of serum fsh polymorphism before and after recovery of menstrualcycles”. E.V.Velasquez, S.Creus, R.V.Trigo, S.B.Cigorraga, E.H.Pellizzari,H.B.Croxatto, S.Campo. Human Reprod 21, 4: 916-923, 2006.

205. “Preventing copper intrauterine device removals due to side effects amongfirst-time users: randomized trial to study the effect of prophylactic ibuprofen”.David Hubacher, Verónica Reyes, Sonia Lillo, Bosny Pierre-Louis, Ana Zepeda,Pai-Lien Chen, Horacio Croxatto. Human Reproduction 21(6):1467-72, 2006.

206. “Feasibility study of NestoroneR–ethinylestradiol vaginal contraceptive ringfor emergency contraception”. Croxatto HB, Brache V, Massai R, Alvarez A,Forcelledo ML, Pavez M, Cochon L, Salvatierra AM, Faundes A. Contraception73: 46-52, 2006.

207. “Inositol triphosphate participates in an oestradiol nongenomic signallingpathway involved in accelerated oviductal transport in cycling rats”. OrihuelaPA, Parada-Bustamante A, Zuñiga LM, Croxatto HB. J Endocrinol, 188: 579-88,2006.

208. “Infection of Human Fallopian Tube Epithelial Cells with Neisseriagonorrhoeae Protects Cells from Tumor Necrosis Factor Alpha-InducedApoptosis”. Priscilla Morales, Paz Reyes, Macarena Vargas, Miguel Rios, MonicaImarai, Hugo Cardenas, Horacio Croxatto, Pedro Orihuela, Renato Vargas, JuanFuhrer, John E. Heckels, Myron Christodoulides and Luis Velasquez. Infectionand Immunity, 74: 3643–3650, 2006.

209. “Proenkephalin A and the Gamma-aminobutyric acid A receptor <pi> subunit.Expression, localization and dynamic changes in human secretoryendometrium”. Marisol Quezada Soledad Henríquez, Macarena Vargas, HugoCardenas, Alejandro Tapia, Miguel Rios, Ana M. Salvatierra, Pedro Orihuela,Horacio B. Croxatto, Luis Velásquez. Fertil Steril, 86:1750-7, 2006.

210. “Pain from copper intrauterine device insertion: randomized trial ofprophylactic ibuprofen”. Hubacher D, Reyes V, Lillo S, Zepeda A, Chen PL,Croxatto H. Am J Obstet Gynecol. 195: 1272-7, 2006.

211. “Deficient expression of monoamine oxidase A in the endometrium isassociated with implantation failure in women participating as recipients inoocyte donation”. Soledad Henriquez, Alejandro Tapia-Pizarro, Marisol Quezada,Hugo Cardenas, Macarena Vargas, Ana Maria Salvatierra, Horacio B. Croxatto,

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Pedro Orihuela, Fernando Zegers-Hochschild, Lisa M. Gangi, David J. Munroeand Luis Velasquez. Mol Hum Reprod. 12: 749-54, 2006.

212. “Effectiveness of levonorgestrel emergency contraception given before orafter ovulation - a pilot study”. N. Novikova , E. Weisberg , F.Z. Stanczyk , HBCroxatto , I.S. Fraser. Contraception, 75:112-8, 2007.

213. “Progesterone, but not luteal estrogen, is required for the establishment ofpregnancy in the New World monkey Cebus paella”. Ortiz ME, Ortiz RE, GarfieldR, Croxatto HB. Am J Primatol, Oct; 69(10):1131-40 2007.

214. “Does meloxicam increase the incidence of anovulation induced by singleadministration of levonorgestrel in emergency contraception?: a pilot study”.M.R.Massai, M.L. Forcelledo, V. Brache, A.S. Tejada, A.M. Salvatierra, M.V.Reyes, F. Alvarez , A. Faúndes and H.B. Croxatto. Hum Reprod. 22: 434-9,2007.

215. “Pharmacokinetic study to compare the absorption and tolerability of twodoses of levonorgestrel following single vaginal administration of levonorgestrelin Carraguard gel: a new formulation for "dual protection" contraception”.Sitruk-Ware R, Brache V, Maguire R, Croxatto H, Kumar N, Kumar S, MonteroJC, Salvatierra AM, Phillips D, Faundes A. Contraception. 75: 454-60, 2007.

216. “Effect of oestradiol and progesterone on the instant and directional velocityof microsphere movements in the rat oviduct: gap junctions mediate the kineticeffect of oestradiol”. Rios M, Hermoso M, Sanchez TM, Croxatto HB, Villalon MJ.Reprod Fertil Dev. 19:634-40, 2007.

217. “Effect of a single vaginal administration of levonorgestrel in Carraguard(R)gel on the ovulatory process: a potential candidate for "dual protection"emergency contraception”. Brache V, Croxatto H, Sitruk-Ware R, Maguire R,Montero JC, Kumar N, Salvatierra AM, Tejada AS, Cochon L, Forcelledo ML,Lahteenmaki P, Alvarez F, Faundes A. Contraception. 76:111-6, 2007.

218. “Catechol-O-Methyltransferase and Methoxyestradiols Participate in theIntraoviductal Nongenomic Pathway Through Which Estradiol Accelerates EggTransport in Cycling Rats”. Parada-Bustamante A, Orihuela PA, Rios M,Navarrete-Gomez P, Cuevas C, Velasquez L, Villalon M, Croxatto HB. BiolReprod. 2007; 77: 934-941.

219. “Genital sensory stimulation shifts estradiol intraoviductal signaling fromnongenomic to genomic pathways, independently from prolactin surges”.Peñarroja-Matutano C, Parada-Bustamante A, Orihuela PA, Ríos M, VelásquezLA, Croxatto HB. Biol Res. 40:213-22, 2007.

220. “Differences in the endometrial transcript profile during the receptive periodbetween women who were refractory to implantation and those who achievedpregnancy”. Tapia A, Gangi LM, Zegers-Hochschild F, Balmaceda J, Pommer R,Trejo L, Pacheco IM, Salvatierra AM, Henríquez S, Quezada M, Vargas M, RíosM, Munroe DJ, Croxatto HB, Velasquez L. Hum Reprod. 23:340-51, 2008.

221."Endometrial effect of two doses of progesterone delivered by vaginal rings inestrogen-treated postmenopausal women, in a continuous combined regimen”. G.Noé, R. Sitruk-Ware, F. Zegers-Hochschild, B. Variano, J.C. Montero, P. Arriagada,

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A. Li, F.Z. Stanczyk, J.C. Felix, D.R. Mishell, Jr., H.B. Croxatto. Climacteric 13:433-441, 2010.

222. "Contraceptive efficacy of emergency contraception with levonorgestrel givenbefore or after ovulation". G. Noé, H.B. Croxatto, A.M. Salvatierra, V. Reyes, C.Villarroel, C. Muñoz, G. Morales, A. Retamales. Contraception 81:414-420, 2010.

223. “Suppression of follicular rupture with meloxicam, a cyclooxygenase-2inhibitor: potential for emergency contraception”. C. Jesam, A.M. Salvatierra,J.L. Schwartz, H.B. Croxatto. Hum Reprod. 25:368-373, 2010.

Artículos de revisión por invitación

1. "Egg transport in the Fallopian tube". H.B. Croxatto and M.E. Ortiz. Gynecol.Invest. 6:215-225, 1975.

2. "Contraception hormonale par des implants sous-cutanés". A. Faúndes, H.B.Croxatto, F. Alvarez, S. Díaz, V. Brache, S.J. Segal. Contraception-Fertilité-Sexualité 11:815-820, 1983.

3. "The place of progesterone in human contraception". H.B. Croxatto and S.Díaz. J. Steroid Biochem. 27:991-994, 1987.

4. "Lactancia, amenorrea e infertilidad". S. Díaz, M.E. Casado, P. Miranda, V.Schiappacasse, A.M. Salvatierra, C. Herreros, H.B. Croxatto. Rev. Chil.Pediatr., Supl. 2, 60:14-18, 1989.

5. “Planificación familiar durante el período de lactancia". O. Peralta, S. Díaz, H.B.Croxatto. Rev. Chil. Pediatr. Supl. 2, 60:19-23, 1989.

6. "Avances en anticoncepción esteroidal". O. Peralta, H.B. Croxatto, S. Díaz.Actual. Ginecol. Obstet. 5:170-193, 1991.

7. "Neuroendocrine mechanisms of lactational infertility in women". S. Díaz, M.Serón-Ferré, H.B. Croxatto and J. Veldhuis. Biol. Res. 28:155-163, 1995.

8. "Subdermal contraceptive implants". O. Peralta, S. Díaz and H. Croxatto. J.Steroid Biochem. Molec. Biol. 53:223-226, 1995.

9. "Mechanisms of action of intrauterine devices". M.E. Ortiz, H.B. Croxatto, C.W.Bardin. Obstet. Gynecol. Surv. 51, Suppl. 12:S42-S51, 1996.

10. "NorplantR". H.B. Croxatto. Rev. Iber. Fertil. Reprod. Hum. XIV:187-192,1997.

11. "Potencial aplicación de las antiprogestinas en anticoncepción". H.B. Croxatto,B. Fuentealba, A.M. Salvatierra, R. Massai. Rev. Iber. Fertil. Reprod. Hum.XIV:243-248, 1997.

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12. "NorplantR consensus statement and background review". I.S. Fraser, A.Tiitinen, B. Affandi, V. Brache, H.B. Croxatto, S. Díaz, J. Ginsburg, S. Gu, P.Holma, E. Johansson, O. Meirik, D.R. Mishell, Jr., H.A. Nash, B. von Schoultzand I. Sivin. Contraception 57:1-9, 1998.

13. “The pharmacodynamics and efficacy of ImplanonR”. H. B. Croxatto and L.Mäkäräinen. Contraception 58:91S-97S, 1998.

14. “Progestagen implants”. H.B. Croxatto. IPPF Med Bull. 34:1-3, 2000.

15. “Progestin implants”. H.B. Croxatto. Steroids 65:681-685, 2000.

16. “Clinical profile of Implanon: a single-rod etonogestrel contraceptive implant”.Croxatto HB. Eur J Contracept Reprod Health Care 5 Suppl 2:21-8, 2000.

17. “Progestin implants for female contraception”. H.B. Croxatto. Contraception65:15-19, 2002.

18. “Mechanism of action of hormonal preparations used for emergencycontraception: a review of the literature”. H.B. Croxatto, L. Devoto, M. Durand,E. Ezcurra, F. Larrea, C. Nagle, M.E. Ortiz, D. Vantman, M. Vega, H. vonHertzen. Contraception 63:111-121, 2001.

19. “Physiology of gamete and embryo transport through the Fallopian tube”.Croxatto HB. Reproductive BioMedicine Online 4:160-169, 2002.

20. “Mechanisms that explain the contraceptive action of progestin implants forwomen”. H.B.Croxatto. Contraception 65:21-27, 2002.

21. “Píldoras de anticoncepción de emergencia: ¿Cómo funcionan?”. H.B. Croxatto.Boletín Médico de IPPF. 36:1-2, 2002.

22. “Mifepristone for luteal phase contraception” H.B.Croxatto. Contraception68:477-482, 2003.

23. “Píldora anticonceptiva y generación de un nuevo individuo”. H. Croxatto.Revista Reflexión y Liberación 61:33-39, Marzo, Abril, Mayo, 2004.

24. “Mecanismo de acción del levonorgestrel en la anticoncepción de emergencia”Horacio Croxatto, María Elena Ortiz. Rev Chil Obstet Ginecol 69: 157-162,2004.

25. “Autonomía reproductiva desde la perspectiva biológica”. HB Croxatto. RevistaDerecho y Humanidades Nº 10: 209-213, 2004.

26. “Procesos fisiológicos que participan en la generación de un nuevo individuo ysu interferencia por la anticoncepción de emergencia” Horacio Croxatto Avoni.Revista de la Academia Peruana de Salud. Año X Nº 1: 84-90, 2003-2004.

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27. “Emergency contraception - a human rights issue”. Croxatto HB, Diaz S. BestPract Res Clin Obstet Gynaecol 20: 1-12, 2006.

28. “Copper-T intrauterine device and levonorgestrel intrauterine system: biologicalbases of their mechanism of action”. Ortiz ME, Croxatto HB. Contraception. 75:S16-30, 2007.

Capítulos de Libros

1. "The duration of egg transport and its regulation in mammals". H.B. Croxatto.In: The Physiology and Genetics of Reproduction, Vol. II. (eds) E.M. Coutinho andF. Fuchs. Plenum Publishing Co. New York, 1974. pp. 159-166.

2. "Studies on sperm migration in the human female genital tract". H.B. Croxatto,A. Faúndes, M. Medel, S. Avendaño, H-D. Croxatto, C. Vera, J. Anselmo and L.Pastene. In: The Biology of Spermatozoa. (eds) E.S.E. Hafez and C.G. Thibault.S. Karger AG. Basel, 1975. pp. 56-62.

3. "Ovum transport in women". S. Cheviakoff, S. Díaz, M. Carril, N. Patritti, H-D.Croxatto, C. Llados, M-E. Ortiz and H.B. Croxatto. In: Ovum Transport andFertility Regulation. (eds) M.J.K. Harper, C.J. Pauerstein, C.E. Adams, E.M.Coutinho, H.B. Croxatto and D.M. Paton. Scriptor. Copenhagen, 1976. pp. 416-424.

4. "Transport of ovum surrogates by the human oviduct". J. Díaz, J. Vásquez, S.Díaz, F. Díaz and H.B. Croxatto. In: Ovum Transport and Fertility Regulation.(eds) M.J.K. Harper, C.J. Pauerstein, C.E. Adams, E.M. Coutinho, H.B. Croxattoand D.M. Paton. Scriptor. Copenhagen, 1976. pp. 404-415.

5. "Summary of discussion on effects of estrogen and progesterone on contractilityand ovum transport". H.B. Croxatto. In: Ovum Transport and FertilityRegulation. (eds) M.J.K. Harper, C.J. Pauerstein, C.E. Adams, E.M. Coutinho, H.B.Croxatto and D.M. Paton. Scriptor. Copenhagen, 1976. pp. 557-562.

6. "Long term fertility regulation with subdermal implants". S. Díaz, H.B. Croxatto.In: Recent Advances in Reproduction and Control of Fertility. (ed) G.P. Talwar.Elsevier/North-Holland Biomedical Press. Amsterdam, 1979. pp. 559-567.

7. "Observation on the transport, aging and development of ova in the humangenital tract". M.E. Ortiz, H.B. Croxatto. In: Recent Advances in Reproductionand Regulation of Fertility. (ed) G.P. Talwar. Elsevier/North-Holland BiomedicalPress. Amsterdam, 1979. pp. 307-317.

8. "Dispositivos para la administración prolongada de esteroides". H.B. Croxatto, S.Díaz. En: Aspectos Clínicos en Reproducción Humana. (eds) R. Molina, A.Goldsmith. Johnson-Lindroth, Inc. Illinois, 1982. pp. 148-153.

9. “The fate of the human secondary oocyte after ovulation". H.B. Croxatto and M.E.Ortiz. In: Recent Advances in Fertility Research, Part B: Developments in theManagement of Reproductive Disorders. (eds) T.G. Muldoon, V.B. Mahesh, B.Pérez-Ballester. Alan R. Liss, Inc., New York, 1982. pp. 33-43.

10. "Histopathology of the endometrium during continuous use of levonorgestrel".H.D. Croxatto, S. Díaz, M. Pavez, H.B. Croxatto. In: Long-Acting Contraceptive

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Delivery Systems. (eds) G.I. Zatuchni, A. Goldsmith and J.J. Sciarra. Harper &Row, Publishers, Pennsylvania, 1984. pp. 290-295.

11. "Effects of NORPLANTR subdermal implants on lactation and infant growth". S.Díaz, C. Herreros, G. Juez, M-E. Casado, A-M. Salvatierra, P. Miranda, O. Peralta,H.B. Croxatto. In: Long-Acting Contraceptive Delivery Systems. (eds) G.I.Zatuchni, A. Goldsmith and J.J. Sciarra. Harper & Row, Publishers, Pennsylvania,1984. pp. 397-403.

12. "Performance of NORPLANTR subdermal implants in clinical studies in Chile". S.Díaz, M. Pavez, P. Miranda, I. Sivin, H.B. Croxatto. In: Long-Acting ContraceptiveDelivery Systems. (eds) G.I. Zatuchni, A. Goldsmith and J.J. Sciarra. Harper &Row, Publishers, Pennsylvania, 1984. pp. 482-487.

13. "Subdermal progesterone implants for fertility regulation in nursing women".H.B. Croxatto, S. Díaz, O. Peralta, G. Juez, C. Herreros, M-E. Casado, A-M.Salvatierra, P. Miranda. In: Long-Acting Contraceptive Delivery Systems. (eds)G.I. Zatuchni, A. Goldsmith and J.J. Sciarra. Harper & Row, Publishers,Pennsylvania, 1984. pp. 543-549.

14. "Contraceptive drug delivery via subdermal implants". S. Díaz, H.B. Croxatto, I.Sivin, D.N. Robertson, E.D.B. Johansson and H.A. Nash. In: Proceedings of theSecond World Conference on Clinical Pharmacology and Therapeutics. (eds) L.Lemberger and M.M. Reidenberg. American Society for Pharmacology andExperimental Therapeutics. Maryland, 1984. pp. 650-660.

15. "Transporte ovular. Fecundación. Desarrollo preimplantacional. Nidación". H.B.Croxatto, M.E. Ortiz. En: Obstetricia. (ed) A. Pérez-Sánchez. Mediterráneo.Santiago, Chile, 1985. pp. 19-37.

16. "The demonstration of the antiprogestin effects of RU 486 when administered tothe human during HCG-induced pseudopregnancy". H.B. Croxatto, I.M. Spitz,A.M. Salvatierra and C.W. Bardin. In: The Antiprogestin Steroid RU 486 andHuman Fertility Control. (eds) E-E. Baulieu and S.J. Segal. Plenum PublishingCorporation, New York, 1985. pp. 263-269.

17. "Post-partum contraception". H.B. Croxatto and S. Díaz. In: Fertility RegulationToday and Tomorrow. (eds) E. Diczfalusy and M. Bygdeman. Raven Press. NewYork, 1987. pp. 181-195.

18. "NORPLANTR contraceptive implants". C.W. Bardin, I. Sivin, H. Nash, D.Robertson, H.B. Croxatto, S. Díaz, F. Alvarez, A. Faúndes, P. Holma, T.Luukkainen, S.E. Olson, V. Odlind, E. Johansson and D.R. Mishell. In: FertilityRegulation Today and Tomorrow. (eds) E. Diczfalusy and M. Bygdeman. RavenPress. New York, 1987. pp. 143-152.

19. "Anticoncepción hormonal de acción prolongada durante la lactancia". H.B.Croxatto y S. Díaz. En: Avances Recientes en Regulación de la Fertilidad. Vol. I.Métodos Anticonceptivos de Acción Prolongada. (eds) G. Pérez-Palacios, J. Garza-Flores y P.E. Hall. Editorial Piensa, S.A. de C.V., México, D.F., 1987. pp. 109-121.

20. "Mecanismo de acción de los dispositivos intrauterinos". M.E. Ortiz y H.B.Croxatto. En: Avances Recientes en Regulación de la Fertilidad. Vol. 2.

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Dispositivos Intrauterinos. (eds) G. Pérez-Palacios, J. Garza-Flores y P.J. Rowe.Editorial Pensa, S.A. de C.V., México, D.F., 1988. pp. 37-52.

21. "Effects of RU 486 on the menstrual cycle". H.B. Croxatto and A.M. Salvatierra.In: Hormone Antagonists for Fertility Regulation. (eds) C.P. Puri, P.F.A. Van Look.Raven Press. New York, 1988. pp. 141-153.

22. "Oocyte pickup and oviductal transport". H.B. Croxatto and M.E. Ortiz. In: Gift:From Basics to Clinics. (eds) G.L. Capitanio, R.H. Asch, L. De Cecco, S. Croce.Raven Press. New York, 1989. pp. 137-147.

23. "Human eggs in the female genital tract". M.E. Ortiz and H.B. Croxatto. In:Gamete Physiology. (eds) R.H. Asch, J.P. Balmaceda, I. Johnston. SeronoSymposia. Norwell, Massachusetts, 1990. pp. 173-185.

24. "Advances in the development of an antifertility vaccine". R. Thau, H. Croxatto,T. Luukkainen, F. Alvarez, V. Brache, K. Sundaram, C-C. Chang, Y-Y. Tsong andP. Zafian. In: Reproductive Immunology 1989. (eds) L. Mettler, W.D. Billington.Elsevier Science Publishers B.V., New York, 1990. pp. 237-244.

25. "Mechanism of action of progesterone as contraceptive for lactating women". S.Díaz, P. Miranda, A. Brandeis, H. Cárdenas and H.B. Croxatto. In: Frontiers inHuman Reproduction. (eds) M. Seppala and L. Hamberger. The New YorkAcademy of Sciences, New York, 1991. pp. 11-21.

26. "Contraceptive implants". H.B. Croxatto, S. Díaz, I. Sivin. In: Frontiers inHuman Reproduction. (eds) M. Seppala and L. Hamberger. The New YorkAcademy of Sciences, New York, 1991. pp. 22-29.

27. "Progesterone vaginal rings for contraception during breast-feeding". H.B.Croxatto and S. Díaz. In: Advances in Gynecological and Obstetric ResearchSeries. Vol. 2: Female Contraception and Male Fertility Regulation. (eds) B.Runnebaum, T. Rabe and L. Kiesel. The Parthenon Publishing Group, New Jersey,1991. pp. 135-142.

28. "Cyclic use of antigestagens for fertility control". H.B. Croxatto and A.M.Salvatierra. In: Advances in Gynecological and Obstetric Research Series. Vol. 2:Female Contraception and Male Fertility Regulation. (eds) B. Runnebaum, T.Rabe and L. Kiesel. The Parthenon Publishing Group, New Jersey, 1991. pp. 245-252.

29. "Life in the oviduct". H.B. Croxatto. In: Immunology. Perspectives inReproduction and Infection. (ed) S.K. Gupta. Oxford & IBH Publishing Co. Pvt.Ltd., New Delhi, 1991. pp. 527-533.

30. "Oviductal recognition of embryonic signals". H.B. Croxatto and M.E. Ortiz. In:Uterine and Embryonic Factors in Early Pregnancy. (eds) J.F. Strauss, III andC.R. Lyttle. Plenum Press, New York, 1991. pp. 1-6.

31. "Preimplantation development in primates". H.B. Croxatto and M.E. Ortiz. In:Serono Symposium on Reproduction, Growth and Development. (ed) G. Pérez-Palacios. Raven Press, New York, 1991. pp. 31-40.

32. "Ciclo menstrual". H.B. Croxatto y P. Vigil. En: Obstetricia. 2a Edición. (eds) A.Pérez-Sánchez, E. Donoso. Editorial Mediterráneo. Santiago, Chile, 1992. pp.35-54.

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33. "Transporte ovular, migración espermática, fecundación, desarrollopreimplantacional, y nidación". H.B. Croxatto, M.E. Ortiz y P. Morales. (2a Ed.).En: Obstetricia. (eds) A. Pérez-Sánchez, E. Donoso. Editorial Mediterráneo.Santiago, Chile, 1992. pp. 55-70.

34. "Transdermal contraceptive systems: Innovative technology for the twenty-firstcentury". H.B. Croxatto and A. Zepeda. In: Contraception. NewerPharmacological Agents, Devices, and Delivery Systems. (eds) R. Sitruk-Ware,W. Bardin. Marcel Dekker, Inc., New York, 1992. pp. 101-115.

35. “Fisiologia del transporte de gametes y embriones a traves de las trompas deFalopio” Croxatto HB. En: Reproducción asistida moderna. (eds) Edwads R,Risquez F. Latin Grafica S.R.L., Buenos Aires. 2003 pp 383-402.

36. "IUD mechanism of action". H.B. Croxatto, M.E. Ortiz and E. Valdez. In:Proceedings from the Fourth International Conference on IUDs. (eds) C.W. Bardinand D.R. Mishell, Jr. Butterworth-Heinemann, Boston, 1994. pp. 44-62.

37. "Scientific aspects in family planning services". S. Díaz and H.B. Croxatto. In:Population - The Complex Reality. (ed) F. Graham-Smith. The Royal Society,London, 1994. pp. 313-321.

38. "Effect of mifepristone on inhibition of ovulation and induction of luteolysis". I.M.Spitz, H.B. Croxatto, P. Lähteenmäki, O. Heikinheimo and C.W. Bardin. In:Progesterone Antagonists in Reproductive Medicine and Oncology. (eds) H.M. Beierand I.M. Spitz. Human Reproduction, Vol. 9, Suppl. 1. Oxford University Press,Oxford, 1994. pp. 69-76.

39. "Transport and development of eggs in primates". M.E. Ortiz, P. Lucero, E. Herreraand H.B. Croxatto. In: Current Concepts in Fertility Regulation and Reproduction.(eds) Ch.P. Puri, P.F.A. Van Look. Wiley Eastern Limited. New Delhi, 1994. pp.355-377.

40. "Oocyte transport". H.B. Croxatto and M. Villalón. In: Gametes - The Oocyte.(eds) J.G. Grudzinskas and J.L. Yovich. Cambridge University Press, Cambridge,1995. pp. 253-276.

41. "Ciclo menstrual". H.B. Croxatto y P. Vigil. En: Ginecología. 2a Edición. (ed) A.Pérez Sánchez. Publicaciones Técnicas Mediterráneo Ltda., Santiago, Chile, 1995.pp. 27-46.

42. "Gamete transport". H.B. Croxatto. In: Reproductive Endocrinology, Surgery, andTechnology. (eds) E.Y. Adashi, J.A. Rock and Z. Rosenwaks. Lippincott-RavenPublishers, Philadelphia, 1996. pp. 385-402.

43. "Antiprogestins: Mechanism of action and contraceptive potential". I.M. Spitz, H.B.Croxatto, A. Robbins. In: Annual Reviews of Pharmacology and Toxicology, Vol. 36.(eds) A.K. Cho, T.F. Blaschcke, I.K. Ho, H.H. Loh. Annual Reviews Inc., Palo Alto,CA, 1996. pp. 47-81.

44. "Desarrollo de la biología reproductiva en la Pontificia Universidad Católica de Chile.Proyectos financiados por fuentes de cooperación internacional, 1990-1994". H.B.Croxattto. En: Cooperación Internacional y Desarrollo Científico-TecnológicoUniversitario. Impactos y Perspectivas. (eds) Centro Interuniversitario deDesarrollo (CINDA). Alfabeta Impresores, Santiago, Chile, 1996. pp. 137-146.

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45. "Clinical strategies for the achievement of endometrial contraception withprogesterone antagonists". H.B. Croxatto, B. Fuentealba, A.M. Salvatierra and R.Massai. In: The Endometrium as a Target for Contraception. (eds) H.M. Beier,M.J.K. Harper, K. Chwalisz. Springer-Verlag Berlin, Heidelberg, 1997. pp. 259-278.

46. "Basic aspects of oviduct function". H.B. Croxatto, M.E. Ortiz, M. Villalón, H.Cárdenas, M. Imarai, M. Hermoso, L.A. Velásquez, P. Orihuela. In: New Horizonsin Reproductive Medicine. (eds) C. Coutifaris and L. Mastroianni. ParthenonPublishing Co., Casterton, UK, 1997. pp. 233-239.

47. "Oocyte and embryo transport". M. Villalón, L. Velásquez, H.B. Croxatto. In:Encyclopedia of Reproduction. (eds in chief) E. Knobil and J.D. Neill. AcademicPress, Inc., New York, 1998.

48. "Regulación del transporte ovular". L. Velásquez y H. Croxatto. En: CongresoExtraordinario de Obstetricia y Ginecología: Memorias. (eds) Sociedad Peruana deObstetricia y Ginecología, Lima, Perú, 1998. pp. 101-104.

49. "Selective oestrogen receptor modulators and progesterone receptor modulatorsfor contraception". H.B. Croxatto. In: New Pharmacological Approaches toReproductive Health and Healthy Ageing. (eds) W-K. Raff, M.F. Fathalla, F. Saad.Springer, Berlin, 2001. pp. 112-113.

50. "Clinical prospects of progesterone receptor modulators". H.B. Croxatto. In:Menopause: The State of the Art. (ed) H.P.G. Schneider. The ParthenonPublishing Group, London, 2002. pp. 43-46.

51. “Anticoncepción de emergencia: Bibliografía científica – Ultimos avances”. S.Díaz y H.B. Croxatto. (eds) Population Services International, Asunción,Paraguay, 2003. pp. 6-26.

52. “Gametogénesis” E.Bustos-Obregón, H.B.Croxatto. En: Ginecología, 3a edición(ed) A. Pérez-Sánchez. Publicaciones Técnicas Mediterráneas, Santiago, Chile,2003, pp 60-75.

53. “Transporte ovular, migración espermática, fecundación, desarrollopreimplantacional y nidación”H.B.Croxatto, M.E.Ortiz, P.Morales. En: Ginecología,3a edición (ed) A. Pérez-Sánchez. Publicaciones Técnicas Mediterráneas,Santiago, Chile, 2003, pp 60-75.

54. “Ciclo Menstrual” H.B. Croxatto, P.Vigil . En: Ginecología, 3a edición (ed) A.Pérez-Sánchez. Publicaciones Técnicas Mediterráneas, Santiago, Chile, 2003, pp76-96.

55. “Anticoncepción hormonal de emergencia” S Díaz, H Croxatto. En: Ginecología,3a edición (ed) A. Pérez-Sánchez. Publicaciones Técnicas Mediterráneas,Santiago, Chile, 2003.

56. "Fisiología del transporte de gametos y embriones a través de las trompas defalopio. H.Croxatto. En: Reproducción asistida moderna. Robert Edwards &Francisco Rísquez. Ed. Ares Trading Uruguay S.A. Uruguay, 2003.

57. “Progesterone receptors and opportunities for contraception”. HB Croxatto. En:New mechanisms for tissue-selective estrogen-free contraception. HB Croxatto, RShurmann, U Fuhrmann, I Schellschmidt.Ed. Springer, Berlin. 2005.

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58. “Diversidad, versatilidad y algunas funciones reproductivas de los receptores deprogesterona”. H.B. Croxatto En: Selección de Temas en Ginecoobstetricia.Eghon Guzmán, ed. Ediciones Publimpacto, Santiago. 2005. pp 845-852.

59. “Anticoncepción Hormonal de Emergencia”. S Diaz, HB Croxatto. En libro“Tratado de Anticoncepcion”. Ed. W Barbato,J Charalambopoulos, EditorialCorpus, Rosario, Argentina, 2005 pp.267-276.