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Published byNigel Lang Modified over 9 years ago
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Evans Whitaker, MD, MLIS Norris Medical Library University of Southern California Los Angeles, CA 90089-9130 (323) 442-1128 ewhitake@usc.edu
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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 )http://www.usc.edu/nml ▪ Library information ▪ Staff Directory
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1. Norris Medical Library – Access and Overview of Resources (5 minutes) 1. MEDLINE (30 minutes) 2. Miscellany and Questions (the remainder)
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Proxy server (don’t use VPN) (http://libproxy.usc.edu/login )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
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“Everything” you need in one place If there are other things you want in this location … let me know
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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)
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Multiple versions of this database Same content but different look Ovid = PubMed (= PubGet)
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PubMed (search engine) is the tool used to search in PubMed and MEDLINE MEDLINE (database) > 17.8 Million Articles are added to PubMed by publishers MEDLINE and PubMed PubMed (database) > 19.5million …then moved to MEDLINE as they are indexed (have MeSH terms added) by NLM Clarifying confusing nomenclature What is MeSH?
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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
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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
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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)
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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 Let’s do it
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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 PubMedPubMed
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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
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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?
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Too many resultsToo few results MeSH termsAdd another MeSH term Remove a MeSH term SubheadingsAdd subheadingsRemove subheadings MajorMesh to MajrMajr to MeSH LimitsAdd limitsRemove limits
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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
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Electronic table of contents (e.g., JAMA)JAMA PubGet.com PubGet.com Saved work in MEDLINE: MyNCBI and/or MyNCBI Ovid Personal Account Ovid Personal Account UpToDate - ”What’s New” UpToDate Faculty of 1000 – Medicine Faculty of 1000 – Medicine Journal Watch Journal Watch
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Norris homepage Norris homepage
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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 GoogleScholar
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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)http://www.usc.edu/nml
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