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
Building a plan
Medical Subject Headings
Automatic mapping in search results
Before You Search Think about the 6 W’s Who What Where When Why hoW Do a little Brainstorming
Brainstorming 6 W’s Sample Search Topic Who What Where When Why hoW 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 AND
Building a Search Plan Review search terms. food allergies diet pregnancy children Determine whether to set Limits. Children can be omitted as a search term by setting Age Limit to 0 – 18. Limits
Building a Search Plan 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 you Choose?
Search Option food AND allergies AND diet AND Pregnancy NOT asthma
Let’s explore PubMed!http://www.ahsl.arizona.edu/
Learn about Automatic Term Mapping to MESH terms (Medical Subject Headings)