2. What Is PubMed
q Free resource, developed and
maintained by the National Center for
Biotechnology Information (NCBI), at the
U.S. National Library of Medicine (NLM)
q About 22,000 journals since 1966
q Uses MEDLINE data base
q Accessible through
http://www.ncbi.nlm.nih.gov/pubmed
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3. The screen you see on
http://
www.ncbi.nlm.nih.gov/
pubmed
The screen you
see on
www.pubmed.gov
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4. Common Problems
§ Lot of unnecessary references
§ Retrieving one or two exact
references
§ Getting latest on a topic
§ We get abstracts, what about getting
full text (Free !!)?
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5. Structure of PubMed
§ Search Box : Type search words
àSearch
§ Limits: Select Limiting options that cuts
down unnecessary references, refines
your search à Search
§ Display Mode : Select :
Summary, Abstract Plus etc
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7. Lot of Unnecessary
References
Example:
You are a pediatrician. Want
references on bronchodilators in
asthma
Type word bronchodilator in search
box and click Search à 207,402
references
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10. Lot of Unnecessary
References
Use other key words
Bronchodilator AND asthma
Here AND is a limiting operand
Other operands: OR, NOT
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11. Lot of Unnecessary
References
Example:
Type word bronchodilator AND
asthma in search box and click
Search à 18,636 references
Cut down from 207,402 to 18,636
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12. Search :
Bronchodilator
AND
Asthma
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13. Lot of Unnecessary
References
Use of Limits 4. Human / animal
facility 5. Journal group
Common Limits 6. Type of article
1. Age
2. Sex
3. Language
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15. Limits Options Displayed
Type of Article Language
Clinical trial, English, French,
Editorial, Letter etc German …etc
Species (Human, Sex
Animals) M, F
Subsets Age
AIDS Birth- 23 mo
Bio-ethics 0-18 yrs …. etc
Cancer… etc
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16. Limits Activated
§ Type of Article : Clinical trial
§ Language: English
§ Species: Human
§ Sex : M, F
§ Age: 0-18 years
Number reduced from 18,636 to: 2116
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18. 1 or 2 Exact References
Example:
§ Article by Kulkarni A.P.
§ On Typhoid Outbreak
§ Or is it Typhoid Epidemic?
§ Or is the word “Enteric Fever”
used?
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19. 1 or 2 Exact References
Use “Advanced Search” option on Home
Screen
(Typhoid OR enteric) AND (outbreak OR
epidemic)
Also use additional option
Kulkarni AP [First Author]
(Typhoid OR enteric) AND (outbreak OR
epidemic) AND Kulkarni AP[First Author]
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21. Getting Latest
Example : Malaria Vaccine , in last 5 years
In Search Box Type
Malaria Vaccine
Use Limits option
In this use Dates - > “Published In
Last” option & select “5 years”
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22. Getting Latest
§ Search Builder: Various options like
Author, Book, Publication date
§ Can select one or more
§ Can add it to “Search Box” with
AND, OR options
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23. Search word
“ Malaria Vaccine”
Limits
Date
Last 5 years
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25. Want Full Text : (Free!!)
In the Limits Find “Text Option”
Links To Full Text
ü Links To Free Full Text
Abstracts
In the displayed list : Click on “Free
Full Text” below the article of interest
Full text is displayed in Separate
window
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26. Full
List of Text
Artic o
rticles le D f Select
78 A ispla ed
Lis t of 16 yed
Dis played
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27. Guide Tools
Clinical Queries
Topic specific enquiries
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28. More Websites For Free
Full Text
§ www.biomedcentral.c
om
§ Independent
publishing house
§ Permanent, free
access to 185
journals
§ Alphabetical list of
journals
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29. More Websites For Free
Full Text
§ www.openmed.nic.in
§ Free facility for self
archive
§ Only archived work is
accessed
§ 2004 ----- 123
§ 2005 ----- 211
§ 2006 ----- 186
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30. More Websites For Free
Full Text
§ www.medind.nic.in
§ Access to selected
Indian Journals
§ Search facility directs
you to URL- link of
the journal
§ Requires Adobe
Reader
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31. More Websites For Free
Full Text
§ www.indmed.nic.in
§ Indian MEDLAR
§ Full, free text of
selected journals in
pdf format
§ One can know from
icons if free / full text
available or not
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32. More Websites For Free
Full Text
§ www.popline.org
§ Journals / articles on
RCH since 1973
§ Also available to
institutes on CD
§ Full, free text on
request ( for
developing countries
only)
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33. More Websites For Free
Full Text
§ www.freemedicaljour
nals.com
§ Some journals
provide free, full text
after 6 months –
2years
§ This is collection of
such access to 430
journals like JAMA,
BMJ
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34. More Websites For Full
Text
§ www.highwire.stanford
.uk
§ Website of Stanford
University , UK
§ Search facility
§ Full text on payment
§ Requires registration
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35. Cochrane Data base
§ www.mrw.interscience.wiley.com/cochrane
§ Cochrane systematic reviews on various
topics like clinical trials, vaccine trials
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