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....