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The 'map of medicine' Medline & CINAHL for library technicians

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The teaching that I do at Langara College helps me to become a better teaching in my work as a biomedical librarian. Here is a slidecast for a medical information sources class, LIBR 2195, that I …

The teaching that I do at Langara College helps me to become a better teaching in my work as a biomedical librarian. Here is a slidecast for a medical information sources class, LIBR 2195, that I teach at Langara.

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  • 1. The ‘map of medicine’: an introduction to PubMed & CINAHL… for Library Technicians Dean Giustini, UBC health librarian & instructor dean.giustini@ubc.ca | LIBR2195 | March 2015 How do I find good research articles … among all these journals … in the library?
  • 2. Tonight’s class on searching 1. How do we find medical research? We search 2. PubMed (Medline) & CINAHL – what are they? 3. Medline record – what is it? 4. Google scholar 5. Search practice Dean Giustini, UBC health librarian & instructor dean.giustini@ubc.ca | LIBR2195 | March 2015
  • 3. • MEDLINE is the best place to search • PubMed – free MEDLINE search interface since mid-1990s • Why do we search MEDLINE? – Two studies from 1990s showed that: • 50% of clinical questions were answered by searching • Average search time? 27 minutes & 43 minutes (too long) How do we find medical research? Medical papers? http://www.ncbi.nlm.nih.gov/m/pubmed/
  • 4. What is PubMed (Medline)? • PubMed.gov is a search “interface” • PubMed allows you to search Medline AND other ….. • It is created by the US NLM (National Library of Medicine) • It searches MEDLINE, and ~25,000,000 journal citations… • Indexes about 5800 medical journals • Topics: medicine, dentistry & veterinary science, nursing & psychology • MeSH terms: why are controlled vocabularies important in searching? • Medical index (thesaurus) = 25,000+ subject headings http://www.ncbi.nlm.nih.gov/pubmed/ Dean Giustini, UBC health librarian & instructor dean.giustini@ubc.ca | LIBR2195 | March 2015
  • 5. Medline record: what is here? http://www.ncbi.nlm.nih.gov/pubmed/21322286
  • 6. ARTICLE: Nahas R, Balla A. Complementary and alternative medicine for prevention & treatment of common cold. Can Fam Physician. 2011 Jan;57(1):31-6. http://www.ncbi.nlm.nih.gov/pubmed/21322286 How are MeSH terms assigned? Which are major descriptors? Which are minor? What is the difference between major/minor terms? Medline record: part 2 Subject terms are assigned based on article content …. & allow you to create a targeted search!
  • 7. PubMed.gov
  • 8. • It’s the premier international bibliographic database in biomedicine •~25 million citations in MEDLINE • 5700+ international journals indexed from 1966-present • OldMedline back to ~1940s (and even back to the 19th century) • Concentrates on biomedicine, drugs, nursing, patient care, clinical trials • 650,000+ new entries every year • 2000-4000 articles added to database every day (Tuesday to Saturday) • Created by health librarians at US National Library of Medicine in Bethesda MD • MEDLINE is also available at Langara on the EBSCO host What is Medline? Dean Giustini, UBC health librarian & instructor dean.giustini@ubc.ca | LIBR2195 | March 2015
  • 9. The 16 top-level categories in the MeSH hierarchy or tree structure are: 1. Anatomy [A] 2. Organisms [B] 3. Diseases [C] 4. Chemicals and Drugs [D] 5. Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] 6. Psychiatry and Psychology [F] 7. Biological Sciences [G] 8. Physical Sciences [H] 9. Anthropology, Education, Sociology and Social Phenomena [I] 10. Technology and Food and Beverages [J] 11. Humanities [K] 12. Information Science [L] 13. Persons [M] 14. Health Care [N] 15. Publication Characteristics [V] 16. Geographic Locations [Z] How are MeSH terms organized?
  • 10. Most MeSH provide short descriptions or definitions for each term • See MeSH description for diabetes type 2 • Text written by NLM librarians based on standard reference sources • Sources are standard texts of subject; similar to sources assignment • Citations are not given; readers referred to bibliography How are MeSH terms organized? Dean Giustini, UBC health librarian & instructor dean.giustini@ubc.ca | LIBR2195 | March 2015
  • 11. What is CINAHL (nursing & allied health)? Subject Headings: CINAHL® subject headings are used to index articles in CINAHL; reflect terminology used by nursing & allied health professions. CINAHL subject headings use structure of MeSH. ~12,000 CINAHL subject headings to effectively search ….  Subject Coverage: CINAHL covers nursing & allied health literature, 1981 to 2015, with more than 2800 journals indexed  Overlap with MEDLINE but 55% unique content in nursing & allied health  Some CINAHL content is NOT FINDABLE ON THE WEB  Updated every month; ~70% of CINAHL headings based on MeSH  Note in a record how different limits are in CINAHL
  • 12. CINAHL via EBSCO http://www.langara.bc.ca/library/articles-in-journals/articles-atoz.html
  • 13. ARTICLE: Nahas R, Balla A. Complementary and alternative medicine for prevention & treatment of common cold. Can Fam Physician. 2011 Jan;57(1):31-6.
  • 14. What can you do to search efficiently? • Learn good basic skills using MeSH & CINAHL headings • Learn how to search PubMed but try EBSCO too • Take a workshop, read a handout, watch a tutorial online • Try various things, get my feedback • Read about searching on the wiki http://hlwiki.slais.ubc.ca The best medical information = the best medical evidence

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