searching pub med
DESCRIPTION
Library Database tutorialTRANSCRIPT
Searching PubMed
Introductory PubMed Tutorial
Presenter: Mary Beth Foster
Audience: Students, College of Medicine
PubMed• Developed and maintained by the National
Center for Biotechnology Information (NCBI)– at the U.S. National Library of Medicine (NLM)– located at the National Institutes of Health (NIH)
• Contains over 5484 medical or related journals• References over 20 million citations• Frequently updated• Articles indexed by subject experts• Indexed with controlled vocabulary
– MESH [Medical Subject Headings]
Introduction to PubMed•Simple Search Strategies
•Brainstorming•Building a plan
•Boolean Operators•AND•OR•NOT
•Limits•Article Type•Subsets•Sex•Age•Species•Text options•Languages
•MESH terms•Medical Subject Headings•Automatic mapping in search results
•Filters
Before You Search Think about the 6 W’s• Who• What• Where• When• Why • hoW
Do a little Brainstorming
Brainstorming6 W’s
• Who• What• Where• When• Why• hoW
Sample Search Topic
• children• Food allergies• global• Childhood onset• Why/how do children develop food
allergies? Is there a relationship between mother’s diet during pregnancy?
PubMed uses Boolean Operators
Building a Search Plan
AND – includes all search terms
OR – includes any search term
NOT – excludes a search term
Visualize your search.•Identify key search terms•Group terms that go together•Identify Boolean operators to
include or exclude terms
Food AND Allergies
Diet AND PregnancyChildren
AND
Building a Search Plan
1) Review search terms.
food allergies diet pregnancy children
2) Determine whether to set Limits.
Children can be omitted as a search term by setting Age Limit to 0 – 18.
• Article Type• Subsets• Sex• Age• Species• Text options• Languages
Limits
Building a Search Plan
3) Decide which Boolean connectors to use, if any.
Options:
a) food AND allergies AND diet AND pregnancy
b) food allergies diet pregnancy
•AND is added by default to search
•Use CAPS for AND, OR, NOT
•Order is searched from left to right
•Automatic phrase parsing
Search Tips
Which option Would youChoose?
Search Option
food AND allergies AND diet AND
PregnancyNOT
asthma
Let’s explore PubMed!http://www.ahsl.arizona.edu/
Learn about Automatic Term Mapping to MESH terms (Medical Subject Headings)Repeat SearchesView Search Query TranslationLook at
LimitsFiltersRelated CitationsAdvanced Search Options
Search BuilderSearch History