1. Literature search
Dr. Anjali Upadhye
M.Sc.,M.B.A., Ph.D
Hon.Shri.Annasaheb Dange Ayurved Medical College, Ashta, Sangli
2. Objectives of the Session:
• Various sources for literature to search
• Literature search on internet
• Introduction to Pubmed
- Using tags and Boolean operators in literature search
- Using filters
- MeSH terms
3. Why ??
• To have basic information about the subject
• To know-what others have already found out..
• To identify – the gaps in the available knowledge
• To justify the reason for your research
• To study – Methodology, others have adopted…
• To compare your results with previous results
11. Heart of medical literature search
www.pubmed.com
www.pubmed.gov
PUBMED
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12. What is Pubmed?
• PubMed is a free search engine
• accessing primarily the MEDLINE database
• It is a database of all articles published in certain journals .
• The United States National Library of Medicine (NLM) at the
National Institutes of Health maintains this database.
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23. Using tags
• Ti - title
• Au – Author
• Tiab – Title or abstract
These tags are used in [square brackets].
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24. Using tags
• Hepatitis b [ti] - “Hepatitis b” in title
• Hepatitis b [tiab] - “Hepatitis b” in title /Abstract
• Patil [Au] - “Patil” in author
• India [pl] - Articles published in India
• jalgaon [ad] - Articles by authors in jalgaon
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25. Affiliation [AD] Investigator [IR] Pharmacological Action [PA]
Article Identifier [AID] ISBN [ISBN] Place of Publication
[PL]
All Fields [ALL] Issue [IP] PMID [PMID]
Author [AU] Journal [TA] Publisher [PUBN]
Author Identifier [AUID] Language [LA] Publication Date [DP]
Book [book] Last Author [LASTAU] Publication Type [PT]
Comment Corrections Location ID [LID] Secondary Source ID [SI]
Corporate Author [CN] MeSH Date [MHDA] Subset [SB]
Create Date [CRDT] MeSH Major Topic [MAJR] Supplementary Concept[NM]
Completion Date [DCOM] MeSH Subheadings [SH] Text Words [TW]
EC/RN Number [RN] MeSH Terms [MH] Title [TI]
Editor [ED] Modification Date [LR] Title/Abstract [TIAB]
Entrez Date [EDAT] NLM Unique ID [JID] Transliterated Title [TT]
Filter [FILTER] Other Term [OT] UID [PMID]
First Author Name [1AU] Owner Version
Full Author Name [FAU] Pagination [PG] Volume [VI]
Full Investigator Name [FIR] Personal Name as Subject [PS]
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33. • (Hepatitis b [ti] or hepatitis a [ti] ) AND
prevalence [ti] AND india[pl]
Articles with hepatitis B or hepatitis A in title
and
prevalence in title
and
published in India
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Combining multiple Boolean operators
and tags
34. • Hepatitis b [ti] AND jalgaon [ad]
Articles with hepatitis B in title
and
affiliation as jalgaon
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Combining multiple Boolean operators
and tags
35. • Hepatitis b [ti] NOT america [pl]
Articles with hepatitis B in title
and
not published in america
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Combining multiple Boolean operators
and tags
36. Combining multiple Boolean operators
and tags
• Hepatitis b [ti] NOT India[pl]
Articles with hepatitis B in title
and
not published in India
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37. Combining multiple Boolean operators
and tags
• Hepatitis b [ti] AND prevalence [ti] AND
india[pl]
Articles with hepatitis B in title
and
prevalence in title
and
published in India
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38. Combining multiple Boolean operators
and tags
• jalgaon [ad] NOT india [pl]
Articles by authors in jalgaon
and
Not published in India
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39. Combining multiple Boolean operators
and tags
• Patil [au] NOT india [pl]
Articles authored by Patil
and
Not published in India
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40. Wild card characters
• I want articles on psychosis, psychological illness,
psychiatric problems in children.
• Use search term - psych*
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41. Lets see the results using some of these Boolean
operators / tags
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64. Summary
• Log on to www.pubmed.com
• Register yourself with NCBI.
• Search pubmed using sensible selection of search terms
• Use tags in square brackets.
• Use Boolean operators
• Use wildcard (*)
• Use sensible combinations of above
• Manage filters
• Find MeSH terms and use them
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