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Essential Information Resources for Internal Medicine Faculty at USC

Discover the wealth of information resources available at the Norris Medical Library, University of Southern California. This guide provides an overview on accessing essential databases such as MEDLINE and PubMed, featuring the use of Medical Subject Headings (MeSH) for effective searching. Feel free to reach out to our librarians for assistance with your inquiries. This introduction also covers tips for managing searches, saving articles, and keeping current with new literature in internal medicine.

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Essential Information Resources for Internal Medicine Faculty at USC

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  1. Evans Whitaker, MD, MLIS Norris Medical Library University of Southern California Los Angeles, CA 90089-9130 (323) 442-1128 ewhitake@usc.edu Information Resources for Internal Medicine Faculty

  2. Introduction

  3. We are here to help… • Please feel free to contact me (or any of the librarians at Norris Medical Library) with any information questions you have! • Contact information • Business Cards • Norris Website (http://www.usc.edu/nml ) • Library information • Staff Directory

  4. Outline for today • Norris Medical Library – Access and Overview of Resources (5 minutes) • MEDLINE (30 minutes) • Miscellany and Questions (the remainder)

  5. Norris Medical Library—Access and Overview of Resources

  6. Norris Medical Library (usc.edu/nml) • Proxy server (don’t use VPN) (http://libproxy.usc.edu/login ) • Log in with USC email information • User name (email address up to @) • Password • Bookmark Norris Library homepage • Start information hunting here as you will have full text access to everything USC purchases

  7. Clinician’s “Portal” • “Everything” you need in one place • If there are other things you want in this location … let me know

  8. Troubleshooting • If you can’t get to something you want … • Let us know and we will fix it for you • (We have one person at the library devoted to fixing links to publisher’s websites)

  9. MEDLINE Multiple versions of this database Same content but different look Ovid = PubMed (= PubGet)

  10. MEDLINE and PubMed Articles are added to PubMed by publishers Clarifying confusing nomenclature …then moved to MEDLINE as they are indexed (have MeSH terms added) by NLM PubMed (database) > 19.5million What is MeSH? MEDLINE (database) > 17.8 Million PubMed (search engine) is the tool used to search in PubMed and MEDLINE

  11. Medical Subject Headings (MeSH) • Most important single concept of today!! • A “dictionary” in which you look up the best words to use in MEDLINE searches • Using MeSH in searches increases the number of relevant articles found by 40-60% • Limitations: • New concepts, procedures, drugs may not have a MeSH term • Use a Keyword (= any search term you choose that is not a MeSH term) • Takes time for new articles to be “indexed” for MEDLINE • Can miss the newest articles

  12. Two Databases … • PubMed can be considered as two databases in one • PubMed/MEDLINE – A database of information about journal articles • MeSH – A dictionary of terms to use in MEDLINE • The most effective searching is • Finding the term in MeSH • Search with that term in MEDLINE

  13. MEDLINE • Three ways to access MEDLINE at USC: • PubMed (USC’s version, PubMed@USC includes links to USC holdings) • Freely available • Now teaching Keck students this version of MEDLINE • OvidSP (includes links to USC holdings) • USC pays Ovid for access • Residents and students may not have access after USC • PubGet.com (see Clinician Portal for information)

  14. Create a MyNCBI Account • Allows you to save you work and get back to it! • Save your searches • PubMed send you new articles about the topic as they come out • Save good articles in Collections • Let’s do it

  15. Let’s try a search… • Does selenium supplementation prevent prostate cancer? • Concepts: • Prostate Cancer • Selenium Supplements • We want articles with both concepts • Would you combine the concepts with AND or OR? • AND • See one … watch a search in PubMed

  16. You have a list of results… • Things you can do now: • Look at full-text copy of articles • Print • Save • Email • Add to Clipboard • Save to Collections • Save your search • Have new articles about your topic sent to you

  17. Your turn…Suggested searches • Prevention of DVT in total knee replacement? • Is oxygen inhalation therapy or triptans more effective in treating acute cluster headache? • In juvenile myoclonic epilepsy, would you best treat with valproate or would you choose another anticonvulsant medication? • Is Guillain-Barre syndrome best treated with plasma exchange or intravenous immunoglobulin (IVIG) therapy? • Are steroids useful as part of treatment of septic shock • Are steroids useful as part of treatment of bacterial meningitis? • Do SSRIs increase risk of GI bleeding?

  18. Too many or too few?

  19. MEDLINE Rules of Thumb • Use MeSH if available • 3 or fewer MeSH terms are (usually) enough • Focus the disease or condition • Subheadings • 3 or fewer subheadings per MeSH • Don’t use unless they match perfectly • Explode • Leave MeSH terms exploded

  20. Additional Notes

  21. Keeping Up … Time Savers • Electronic table of contents (e.g., JAMA) • PubGet.com • Saved work in MEDLINE: • MyNCBI and/or • Ovid Personal Account • UpToDate - ”What’s New” • Faculty of 1000 – Medicine • Journal Watch

  22. Alternatives to UpToDate • Norris homepage

  23. Google Scholar…it has a role • If you strike out in MEDLINE… • Searches full text of article • Very sensitive – finds the needle • Not specific – gives you the haystack too • GoogleScholar – set Advanced Preferences for USC full text

  24. Thank you! • Please feel free to contact me (or any of the librarians at Norris Library) with any information questions you have! • Norris Website (http://www.usc.edu/nml)

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