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BCLA May 11th, 2012
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PubMed Made Simple:Finding Authoritative Health Information for Your
Patrons (BCLA Conference Session, #23)
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
ObjectivesBy the end of this session, you will be able to:
Describe PubMed content to your users Perform simple keyword searches Discuss medical subject headings (MeSH) Discuss the pros / cons of using PubMed Such as MedlinePlus …
… To find authoritative consumer health information
This session will cover:
What Medline is How do you find medical research there? Tips & tricks in searching Cool tools in PubMed
How journals get indexed in MEDLINE MEDLINE over time – how has it changed? What’s included in each record Using Medical Subject Headings or MeSH
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
What’s in Medline
MEDLINE is a database of citations to the medical literature
5,600 journals indexed in MEDLINE Journals are approved by review committee
NLM indexers use Medical Subject Headings (MESH) to index 50,000 articles a month
In 2012, MEDLINE has 22 million citations back to mid-1940s
High % of English-language articles / all have English abstracts
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Journal acceptance for MEDLINE
Literature Selection & Technical Review Committee (LSTRC)
LSTRC is made up of medical experts & librarians Examines hundreds of medical titles yearly Selects 20-25% of reviewed titles Arranges for indexing, XML, NLM loading Done by NLM librarians in Bethesda MD
6Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
What criteria is used to select journals for indexing in Medline?
Critical elements: Scope & coverage Quality of content Quality of editorial work Production quality Audience Types of content
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See Fact Sheet for selection criteria
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MEDLINE over time …
See Journals Recently Accepted
for Inclusion in MEDLINE
MedlinePlus:Trusted Health Information for Consumers
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http://medlineplus.gov/
• 1000+ health topics
• Prescription drugs
• Herbal supplements
• Audiovisual content
• Pre-formatted PubMed searches
PubMed vs. MedlinePlus
• Free at http://medlineplus.gov
• Type of source: consumer health information portal
• Consumer content + librarian-reviewed
• Reading level: grade 8
• Audience: general public + consumers/ patients
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• Free at http://pubmed.gov
• Type of source: medical index
• Scientific content = 22 million citations
– Medline database + more
– Scholarly, peer-reviewed journals
• Audience: advanced users + researchers
PubMed MedlinePlus
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
A MEDLINE RECORD:
Journal name Article title Authors/1st author
info
Abstracts Language PMID (indexed?) Publication types Medical Subject
Headings Substances
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What are medical subject headings?
13Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
FACTs:
• MeSH (Medical Subject Headings) = Medline’s controlled vocabulary
• Describe journal content
• Aid in informational retrieval
• Indexers assign most specific terms
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= major descriptors get an *asterisk
Subheadings coordinate
with MeSH for specificity
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Subheadings coordinate with MeSH
= /immunology
/pathology
MEDLINE Licensees
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What’s in PubMed? Equal to Medline?
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includes:• records for online books & chapters• out of scope articles
How to Search PubMed
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aids drugs breast feeding
http://www.pubmed.gov/
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
Best features in a PubMed search …?
Automatic term mapping Automatic explosion Citation sensor Links to the open web
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ATM checks these fields for mapping properly Medical subject headings
Journal titlesAuthors
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PubMed uses Automatic Term Mapping
…which recognizes thousands of concepts & maps to the most appropriate terms …
http://www.pubmed.gov/
‘Search details’ translates your query
…yes, to improve your search
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http://www.pubmed.gov/
See differences in retrieval:
“aids drugs” + “breast feeding” = 3
aids drugs breast feeding = 398
(processed using ATM)
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Test Time~!
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http://www.pubmed.gov/
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fauci cell 2007
PubMed’s Citation Matcher
http://www.pubmed.gov/
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
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Register for MyNCBI account
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http://www.pubmed.gov/
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
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MyNCBI homepage
http://www.pubmed.gov/
MyNCBI: Customizable
My NCBI allows you to: Save records (Collections, My Bibliography) Save searches (Saved Searches) Customize your results (Filters, My NCBI Preferences)
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http://www.pubmed.gov/
Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
Summary
MEDLINE’s database of biomedical research is the heart of PubMed
Includes good quality journals seen as important by expert committee
MEDLINE can be searched freely via PubMed; also other systems
MEDLINE is enhanced by Medical Subject Headings (MeSH), which improve access to the literature & are used for searching
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Summary (cont’d)
Search PubMed by entering main concepts
Your search terms automatically map to MeSH terms
Enter citation data (author | title | journal) to find known items
Fulltext may be linked in PubMed (see publisher icon in upper right)
See ‘related citations’ on right side of search results & abstract display
37Dean Giustini | UBC Biomedical Branch Librarian | May 11th 2012
Thanks for listening
Enjoy the conference!
Dean GiustiniUBC Biomedical Branch
Librarianhttp://hlwiki.ca
Some screenshots & content for this presentation are from NCBI Training materials here:http://www.ncbi.nlm.nih.gov/education/
![1 Looking in All the Wrong Places: PubMed for Public Librarians [Name] Consumer Health Coordinator NN/LM, [Region] E-mail: [address]](https://img.pdfslide.net/doc/110x75/56649cc45503460f9498d8e5/1-looking-in-all-the-wrong-places-pubmed-for-public-librarians-name-consumer.jpg)
