By Sajid Atif Aleem

BY:

SAJID ATIF ALEEM

SENIOR LECTURER (JINNAH SINDH MEDICAL UNIVERSITY)

TRAINER RESEARCH & STATISTICAL PACKAGES

LITERATURE SEARCH

WHAT IS LITERATURE SEARCH

o Allows one to search in a purposeful and systematic

manner, through a range of literature or information

relevant to ones particular field, and to hone in on

material relevant to ones interest and objectives.

By Sajid Atif Aleem

WHY LITERATURE SEARCH

1. To keep up with the latest developments in yourfield.

2. To learn more about some topic.

3. To document important facts and ideas you wishto research in light of previous work done on it.

4. To understand your data in the context of what isalready known.

5. To provide your readers with sources they can

consult on their own.By Sajid Atif Aleem

SOURCES OF LITERATURE SEARCH

ONLINE DATABASE

o PUBMED

o PAKMEDINET

o COCHRANE LIBRARY

o WEBPAGES OF INTERNATIONAL AND NATIONAL HEALTH

Organizations e.g. W.H.O, MINISTRY OF HEALTH

o LIBRARIRES

By Sajid Atif Aleem

MEANS OF LITERATURE SEARCH

INTERNET

o Access to a massive pool of information related to

biomedical and clinical source.

o Can link with library catalogues, online databases, like

MEDLINE and direct access to ever increasing number

of biomedical journals.

o Retrieval of data from a range of organizations

universities, research establishments and hospitals.

o Many services are available free of charge.By Sajid Atif Aleem

SEARCH STRATEGY ON INTERNET

o Summarize your topic in one or two sentences.

o Identify the unique ideas or concept associated with

your topic.

o Choose appropriate keywords for each concept.

o Establish the relationship between each keyword and

concept.

By Sajid Atif Aleem

EXAMPLE OF PUBMED SOURCES

o PubMed is derived from two words, Publications, and

Medical.

o It is a project of the National Institute of Health,

National Library of Medicine.

o For more details of PubMed, you may visit.

http://www.ncbi.nlm.nih.gov/PubMed/

By Sajid Atif Aleem

PUBMED LAYOUT

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BOOLEAN OPERATORS

o Boolean Operators are used to connect and define the

relationship between your search terms. When searching

electronic databases, you can use Boolean operators to either

narrow or broaden your record sets.

THE THREE BOOLEAN OPERATORS ARE

o OR

o AND

o NOT

By Sajid Atif Aleem

BOOLEAN OPERATORS

OR

The database retrieves all the unique records containing one

term, the other, or both.

AND

Use AND to narrow your search: all of your search terms will

present in the retrieved records.

NOT

Use NOT to exclude term(s) from your search results.

By Sajid Atif Aleem

HOW TO USE BOOLEAN OPERATORS

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HOW TO USE BOOLEAN OPERATORS

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By Sajid Atif Aleem

ANY QUESTION

By Sajid Atif Aleem

THANK YOU....