1. MEDLINE®/PubMed® PubMed for Trainers, Fall 2015 U.S. National Library of Medicine (NLM) and NLM Training Center An introduction

2. Objectives By the end of this presentation, you will be able to:  Distinguish between a MEDLINE and non-MEDLINE record in PubMed.  Define:  MeSH headings  MeSH Major Topics  MeSH Subheadings  Conduct a basic PubMed search  Manipulate the results’ display  Move from your PubMed results to other resources  Identify where to customize your use of PubMed (My NCBI) Revised Fall 2015

3. What is MEDLINE? Revised Fall 2015

4. 1964 – MEDLINE - a database of citations to biomedical journal articles. Revised 2014/09

5. Pop Quiz Revised Fall 2015

6. Highlights of MEDLINE  MEDLINE is a database of citations to published biomedical journal articles.  MEDLINE has over 22 million citations going back to the mid 1940s.  Over 5,600 journals are currently indexed for MEDLINE.  Journals must be approved by a review committee.  Most of the citations are for English-language articles and include abstracts. Revised Fall 2015

7. Who decides what journals are in MEDLINE? The Literature Selection Technical Review Committee  Made up of medical experts and librarians.  Meets 3 times per year.  Considers approximately 180 titles each meeting.  Selects roughly 20-25% of reviewed titles. Revised Fall 2015

8. What criteria are used to select MEDLINE journals? Critical elements for inclusion:  Scope and coverage  Quality of content  Quality of editorial work  Production quality  Audience  Types of content See Fact Sheet for selection criteria. http://www.nlm.nih.gov/pubs/factsheets/jsel.html Revised Fall 2015

9. Pop Quiz Revised Fall 2015

10. How has the scope of MEDLINE changed over time? See Journals Recently Accepted for Inclusion in MEDLINE: http://www.nlm.nih.gov/bsd/lstrc/new_titles.html Revised Fall 2015

11. MEDLINE Basic Bibliographic Citation Journal Source Information Title of the journal article Names of the Authors Affiliation(s) Abstract published with the article Language in which the article was published Publication Type (description of the type of article, e.g., Review, Letter, etc.) Controlled Vocabulary search terms (Medical Subject Headings) Revised Fall 2015

12. What are Medical Subject Headings? Revised Fall 2015

13. MeSH (Medical Subject Headings) terms are added by NLM indexers to reflect the content of the article. Indexers assign the most specific terms possible. Revised Fall 2015

14. * = a major concept. Subheadings are used with MeSH headings to be more specific. Anti-HIV Agents/therapeutic use Breast Feeding/contraindications Revised Fall 2015

15. What is PubMed? Revised Fall 2015

16. PubMed http://www.pubmed.gov/ Revised Fall 2015

17. MEDLINE Licensees Revised Fall 2015

18. PubMed Daily Statistics 3.3 million Web searches (2 million users) 5.6 million record views 5.2 million E-utilities (API) searches 430,000 Mobile searches (240,000 users) Revised Fall 2015

19. What’s in PubMed? includes: records for online books & chapters out of scope articles Revised Fall 2015

20. Pop Quiz Revised Fall 2015

21. PubMed Record Status Tags Revised Fall 2015

22. How to Search PubMed aids drugs breast feeding Revised Fall 2015

23. Search Results Revised Fall 2015

24. Automatic Term Mapping (ATM) ATM Checks these tables:  Subjects (Medical Subject Headings)  Journal Titles  Authors PubMed uses Automatic Term Mapping which recognizes thousands of concepts and maps to an appropriate term. Revised Fall 2015

25. Search details

26. The Search Details feature lets you see how your search was mapped. http://www.ncbi.nlm.nih.gov/mesh/82019380 Revised Fall 2015

27. See the Difference: “aids drugs” + “breast feeding”= 3 aids drugs breast feeding= 501 (processed using ATM) Revised Fall 2015

28. Pop Quiz Revised Fall 2015

29. Citation Sensor fauci cell 2007 Revised Fall 2015

30. Citation Sensor Revised Fall 2015

31. Title Matcher Revised Fall 2015

32. How to search Revised Fall 2015

33. Abstract display

34. Revised Fall 2015

35. Where’s the Full Text? PublishersVendors (via libraries) Revised Fall 2015

36. Where’s the Full Text? PubMed Central: 2.7 million articlesPublishersOther archives and access projects Revised Fall 2015

37. Facilitator of Full-Text Availability: The NIH Public Access Policy Published results of research supported by NIH must be available to the public (as of April 7, 2008) Final, peer-reviewed (journal article) manuscripts accepted for publication Revised Fall 2015

38. Links Between Databases

39. Revised Fall 2015

40. Customizing PubMed Using My NCBI My NCBI allows you to:  Save records (Collections, My Bibliography)  Save searches (Saved Searches)  Customize your results (Filters, My NCBI Preferences) Revised Fall 2015

41. My NCBI homepage Revised Fall 2015

42. Register for an account  Homework: Register for a My NCBI account if you don’t already have one.  Throughout the class, the instructors will point out useful features of My NCBI to use when searching PubMed Revised Fall 2015

43. …insert visual here… PubMed Mobile Mobile-friendly version of PubMed VIDEO: PubMed Mobile Demonstration Revised Fall 2015

44. Online Help and Training Revised Fall 2015

45. Summary  The MEDLINE database of biomedical journal citations is the heart of PubMed.  MEDLINE includes only good quality journals deemed important and relevant by a committee of experts.  MEDLINE is available for free using PubMed, but it is also available from other database searching systems.  MEDLINE is enhanced with Medical Subject Headings (MeSH), which improve access to the literature and can be used for searching. Revised Fall 2015

46. Summary (continued)  Search PubMed by entering the main concepts of your search without punctuation. Your terms will automatically map to MeSH.  Enter components of references (author, title, journal) to find a known article or set of articles.  The full text article may be linked from the PubMed record using an icon in the upper right of the abstract display.  Explore related citations and related information from the right column of your search results and the abstract display.  Customize your PubMed search experience using My NCBI Revised Fall 2015

47. Conclusions You will now be able to:  Distinguish between a MEDLINE and non- MEDLINE record in PubMed.  Define:  MeSH Headings  MeSH Major Topics  MeSH Subheadings  Conduct a basic PubMed search  Manipulate the results display  Move from your PubMed results to other resources  Identify where to customize your use of PubMed (My NCBI) Revised Fall 2015