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Pub med

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Pub med

  1. 1. Maurice Bouchard July 2, 2012
  2. 2. What is PubMed?• PubMed is a powerful search engine – Established in 1996 by NCBI at the NLM – MEDLINE, life science journals, and online books – Articles from at least 1914 to the present – Available to anyone with an Internet connection • no software installation required – EBSCO and ISI are proprietary competitors• PubMed Central – Free archive of biomedical and life science journal articles• PubMed Health – Reviews of clinical effectiveness research
  3. 3. How is PubMed used?• Simple search – Single search box for keywords • with auto-complete – Keywords combined with Boolean AND – Automatic Term Mapping • MeSH • Journals • Full author  author index • Full investigator  full investigator index • When a match is made searching stops (e.g., physiology)
  4. 4. Simple Search
  5. 5. How is PubMed used?• Advanced search – Many fields available for key word searching • Author, journal title, article title, abstract, dates, etc, etc – Choice of Boolean operators: AND, OR, NOT – Auto-complete and show index combine powerfully – Complex searches can be constructed and saved – No (practical) limit to the number of clauses – Components can be previewed, saved, and reused – Search query language can be manipulated
  6. 6. Advanced Search
  7. 7. How is PubMed used?• Results – Results are ranked by relevancy • exact match on MeSH terms come first • title matches are also highly ranked – Narrowing the search is easy • many facets available • facets are configurable • „clickable‟ date histogram – Getting full-text – Related articles – Citation list
  8. 8. Results
  9. 9. Results
  10. 10. How is PubMed used?• Other features – Send results to… • email • citation managers • file • “My Bibliography” – login required • more – Results work with Zotero – Searches can be saved – Alerts can be generated – RSS feed
  11. 11. Zotero
  12. 12. RSS Feed
  13. 13. How is PubMed used?• Other tools – Single Citation Matcher – Batch Citation Matcher • email a | [pipe] delimited list to retrieve PMIDs – Clinical Queries • limits results to clinical research areas – Topic Specific Queries • pre-built search query on a topic (e.g., cancer, ethics) – PubMed Mobile
  14. 14. Is PubMed Perfect?• Lacks capability to browse• Coverage years by journal?• No proximity searching• Facet UI is clunky• Generates queries it cannot run• Tighter integration to citation managers
  15. 15. Why PubMed?• Authoritative• Expansive coverage – 21,000,000 articles – 25,000 journals• Tight MeSH integration• Well supported with help, guides, tutorials• Free – no login required for most features – free login for other features
  16. 16. References• Canese K. “PubMed Celebrates its 10th Anniversary!” NLM Tech Bulletin 352 (Sep–Oct 2006): e5. Accessed July 1, 2012.http://www.nlm.nih.gov/pubs/techbull/so06/ so06_pm_10.html.• National Center for Biotechnology Information. “About NCBI.” Last modified August 4, 2010. http://www.ncbi.nlm.nih.gov/About/index.html.• National Library of Medicine. “About the National Library of Medicine.” Last modified May 10, 2012. http://www.nlm.nih.gov/about/index.html.
  17. 17. References• University of Texas at Austin, University of Texas Libraries. “PubMed and MedLine [sic] Differences.” Last modified May 25, 2010. http://www.lib.utexas.edu/lsl/help/difference.html.• PubMed Help [Internet]. Bethesda (MD): National Center for Biotechnology Information (US); 2005-. PubMed Help. [Updated 2012 May 9]. Available from: http://www.ncbi.nlm.nih.gov/books/NBK3827/.• Wikipedia, The Free Encyclopedia. “PubMed.” Last modified June 21, 2012. http://en.wikipedia.org/w/index.php?title=PubMed&oldid= 498722726 .
  18. 18. Questions?

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