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  • 1. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYBig 4 Databases: Pubmed, Embase, Web of Knowledge, ScopusIsla KuhnDeputy Medical LibrarianUniversity of Cambridge Medical Library
  • 2. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYPubMed/Medline– 5,200
  • 3. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYPubMed/Medline– 5,200 Web of Science – 11,180
  • 4. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYPubMed/Medline– 5,200Web of Science – Embase – 5,12411,180
  • 5. CAMBRIDGE UNIVERSITY LIBRARY 6,669 MEDICAL LIBRARYPubMed/Medline Scopus – 18,2451– 5,200 6,949 1,568 3,055 1,116 60 441Web of Science – Embase – 5,12411,180
  • 6. All different……… CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY
  • 7. Lots of differences….. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY Pubmed Embase WoK ScopusYears of coverage 1954 - 1974 - present 1970 - present 1996 – to present presentSubject headings Health & Health & Arts, Arts, medicine medicine humanities, humanities, (pharmacology sciences, social sciences, strength) sciences social sciencesAdded bonus Subject Subject “H” index “H” index; headings headings Journal Impact Web & Patents factors; search; Conference Journal proceedings analyzer
  • 8. But they all do the same thing CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY Pubmed Embase WoK ScopusPassword required? (RAVEN)Complex search option (allowing forBoolean “and”/”or” searchingSubject headingsSave SearchesAlertsRelated articlesCitation trackingLinks to full-textExport to reference management tool
  • 9. But they all do the same thing CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY Pubmed Embase WoK ScopusPassword required? (RAVEN) No Yes Yes YesComplex search option (allowing for Yes Yes Yes YesBoolean “and”/”or” searchingSubject headings Yes Yes No (ish) No (ish)Save Searches Yes Yes Yes YesAlerts Yes Yes Yes YesRelated articles Yes Yes Yes YesCitation tracking No No Yes YesLinks to full-text yes Yes Yes Yes (but unreliably)Export to reference management tool Yes Yes Yes Yes
  • 10. From Topic to Results CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY • Topic -> question -> keywords/synonymsEffect of chocolate in prevention of heart disease...”Is consuming chocolate effective in reducing risk of heart disease?” …. Themes / PICO / keywords
  • 11. From Topic to Results CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYIs consuming chocolate effective in reducing the risk of heart disease? P –problem / patient? I – Intervention? C – Comparison? O – Outcome? Synonyms?
  • 12. From Topic to Results CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYIs consuming chocolate effective in reducing the risk of heart disease?P – heart diseaseI – chocolateC–O – risk
  • 13. From Topic to Results CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYIs consuming chocolate effective in reducing the risk of heart disease?heart disease / heart failure / cardiovascular disease / coronary diseasechocolate / cocoa / cacaorisk / prevention / prevalence
  • 14. Quiz 1 CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYWhich will give you better hits (a more SPECIFIC search)? 1. coronary disease AND chocolate 2. chocolate OR heart failure 3. coronary disease NOT chocolate 4. risk AND chocolate
  • 15. From Topic to Results: CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYBoolean Logic AND – to narrow the search by combining different topics eg “physiotherapy” and “stroke” Both terms must be present in the results. Physiotherapy Stroke
  • 16. Quiz 2 CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYWhich will give you most hits (a more SENSITIVE search) 1. coronary disease AND heart failure 2. coronary disease OR heart failure 3. coronary disease NOT heart failure
  • 17. From Topic to Results: CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYBoolean LogicOR – to broaden your search, by combining similar terms eg “exercise” or “physical activity”Either term can be present in the resulting set of articles. Cerebral-vascular Stroke Accident
  • 18. Quiz 3 CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYWhich will give you best hits (most SPECIFIC search)?1. coronary disease AND chocolate AND risk2. (coronary disease OR heart failure) AND chocolate AND risk3. chocolate AND risk AND coronary failure4. risk AND (chocolate OR cocoa) AND (coronary disease OR heart failure)
  • 19. From Topic to Results: CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYBoolean LogicNOT – to restrict your search so that it does not contain a particular term eg“physical therapy” not “manual therapy”The first, but not the second, term must be present. Physical Manual Therapy Therapy
  • 20. From Topic to ResultsIs consuming chocolate effective in the prevention of CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYheart disease?heart disease OR cardiovascular disease or coronary diseaseANDchocolate OR cocoa OR cacaoANDprevention OR risk or prevalenceLimits?MeSH?
  • 21. Access CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY http://library.medschl.cam.ac.uk/ – click “databases for literature searching” - Pick embase, medline (pubmed), web of science and scopus or wok.mimas.ac.uk www.scopus.com gateway.ovid.com/autologin.cgi www.pubmed.gov
  • 22. What’s the difference? CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY Pubmed Embase WoK ScopusPassword required? (RAVEN) No Yes Yes YesComplex search option (allowing for Yes Yes Yes YesBoolean “and”/”or” searchingSubject headings Yes Yes No (ish) No (ish)Save Searches Yes Yes Yes YesAlerts Yes Yes Yes YesRelated articles Yes Yes Yes YesCitation tracking No No Yes YesLinks to full-text yes Yes Yes Yes (but unreliably)Export to reference management tool Yes Yes Yes Yes
  • 23. From strategy to references CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYLibrarySearch / e-journals@cambridgehttp://search.lib.cam.ac.uk/ and/or NHS ejournals? http://tinyurl.com/nhs-ejournals
  • 24. Searching – Do’s & Don’ts CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY• Don’t try to do the whole search in one line• Don’t imagine that your first attempt will get all the articles you need• Don’t give up!
  • 25. Searching – Do’s & Don’ts CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY• Do think of alternative ways of talking about your topic• Do learn from your hits and your misses• Do remember that you still have to critically appraise each article• Do ask for help
  • 26. CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARY
  • 27. Help! CAMBRIDGE UNIVERSITY LIBRARY MEDICAL LIBRARYIsla Kuhn Reader Services Librarian Medical Library email: ilk21@cam.ac.uk phone: (01223) 336750 web: library.medschl.cam.ac.uk Thank you.