Sfre Medline 0910


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Sfre Medline 0910

  1. 1. Literature Searching Using Medline Janet MacKay, Susan McCourt & Elaine Shallcross 2009/10 ©Library & Historic Collections, 2009/10
  2. 2. Course description <ul><li>Find out how the largest and broadest database covering medicine, health sciences and biomedical science can help you find material to support your research and literature searching. Covers searching, SFX and full text linking, importing records into RefWorks and a number of advanced database features. Demonstration and hands-on exercises. Important notes: To make effective use of Medline you should already be familiar with how to plan a keyword search and construct a search strategy. These topics are covered in Literature Searching Part 1: Essential Skills for Success. </li></ul>©Library & Historic Collections, 2009/10
  3. 3. Outline ©Library & Historic Collections, 2009/10 <ul><li>Why use databases? </li></ul><ul><li>OVID Medline </li></ul><ul><ul><li>Searching </li></ul></ul><ul><ul><li>Refining </li></ul></ul><ul><ul><li>Managing records </li></ul></ul><ul><ul><li>Advanced features </li></ul></ul>
  4. 4. Why use databases … <ul><li>Catalogue – what we hold </li></ul><ul><li>Database – what has been published (journal articles) </li></ul><ul><ul><li>Bibliographic </li></ul></ul><ul><ul><li>Links to full text material </li></ul></ul><ul><ul><li>Full text </li></ul></ul><ul><li>Note: Web pages – not checked, may not be scholarly or academic </li></ul>©Library & Historic Collections, 2009/10
  5. 5. Why use Medline? <ul><li>Database covering clinical medicine and medical sciences </li></ul><ul><ul><li>Over 13 million records, back to 1948 </li></ul></ul><ul><li>Sophisticated search techniques </li></ul><ul><ul><li>Subject headings, sub-headings </li></ul></ul><ul><ul><li>Links full text and library catalogue </li></ul></ul><ul><ul><li>Limits </li></ul></ul><ul><ul><li>Direct export to RefWorks </li></ul></ul>©Library & Historic Collections, 2009/10
  6. 6. <ul><li>“ What is the role of genetic and environmental factors in the pathogenesis of Paget's disease?” </li></ul>©Library & Historic Collections, 2009/10
  7. 7. “ What is the role of genetic and environmental factors in the pathogenesis of Paget's disease?” ©Library & Historic Collections, 2009/10 or an d concepts alternative keywords Idea 1 Paget’s disease Paget’s disease of Bone osteitis deformans Idea 2 gene$ inherit$ hereditary familial Idea 3 environment$ circumstan$
  8. 8. ©Library & Historic Collections, 2009/10 <ul><li>Linking of words, phrases and concepts for searching in databases and the Web </li></ul><ul><li>OR , AND are main operators </li></ul>Boolean Searching gene$ AND environment$ gene$ OR familial
  9. 9. OVID Medline Search Rules <ul><li>Boolean operators: or and not not case sensitive </li></ul><ul><li>Truncation symbol is $ </li></ul><ul><li>Wildcard symbol is # </li></ul><ul><li>Automatic phrase search e.g. Paget’s disease </li></ul>©Library & Historic Collections, 2009/10
  10. 10. Access to Medline is via MetaLib
  11. 12. OVID provides access to a number of databases. Scroll down for Medline
  12. 13. Many entries for Medline – click on the entry you require
  13. 14. Search screen defaulted to Advanced Ovid Search – most flexible for subject searches
  14. 15. Don’t type in the title of your research topic …
  15. 16. … because you are likely to get this … No hits, even in a database with millions of references. Why? – you didn’t follow the search rules for the database
  16. 17. “ What is the role of genetic and environmental factors in the pathogenesis of Paget's disease?” ©Library & Historic Collections, 2009/10 or an d concepts alternative keywords Idea 1 Paget’s disease Paget’s disease of Bone osteitis deformans Idea 2 gene$ inherit$ hereditary familial Idea 3 environment$ circumstan$
  17. 18. Keep the Map Term to Subject Heading ticked. Enter the first concept. Click Search
  18. 19. Mapping Display of the MeSH terms (Medical Subject Headings) attached to your keyword
  19. 20. MeSH Terms <ul><li>Articles in Medline are indexed using a controlled terminology called MeSH – Medical Subject Headings </li></ul><ul><li>MeSH imposes uniformity and consistency to the indexing of biomedical literature </li></ul><ul><li>EXAMPLE: the MeSH term “ Neoplasms ” finds articles on neoplasms and tumors and cancer …… . </li></ul>
  20. 21. Click on the Scope Note icon to see if the term is correct
  21. 23. What do the Explode and Focus boxes do?
  22. 24. Explode <ul><li>Explode broadens your search: searches for the selected term and all of its more specific terms </li></ul><ul><li>EXAMPLE: exploding the MeSH term ‘ Mastectomy ’ : </li></ul><ul><li>Mastectomy; Mastectomy, Radical; Mastectomy, Segmental; Mastectomy, Simple; </li></ul><ul><li>Mastectomy, Subcutaneous </li></ul>
  23. 25. To find those more specific terms, go to the Tree …
  24. 26. The Tree shows where the term is placed within more general and more specific terms
  25. 28. ©Library & Historic Collections, 2009/10 Mastectomy example
  26. 29. Focus <ul><li>Focus narrows your search, retrieving hits where your term is the main focus or major point of the article </li></ul><ul><li>Use Focus with care as you could potentially lose relevant articles </li></ul>
  27. 30. Select the term and click Continue . If you cannot find a term, do a Keyword search
  28. 31. Subheading Display
  29. 32. Subheadings <ul><li>Help you narrow your search </li></ul><ul><li>EXAMPLES: diet therapy; drug therapy; diagnosis; prevention & control </li></ul><ul><li>Only use if it specifically applies to your question or you will narrow your search too much </li></ul>
  30. 33. Select the term(s) or select Include All Subheadings . C lick Continue .
  31. 34. Open Search History to see search results. Enter 2nd idea in search box. C lick Search
  32. 35. Select the searches to combine them. Combine searches with And
  33. 36. Click on Display to see your results
  34. 37. ©Library & Historic Collections, 2009/10 To apply limits to your results, click on link beside Limits . For further limits click Additional Limits button
  35. 38. ©Library & Historic Collections, 2009/10 Select any number of limits and click on Limit a Search button
  36. 39. ©Library & Historic Collections, 2009/10
  37. 40. <ul><li>Broaden the question </li></ul><ul><li>Pearl growing </li></ul><ul><li>Different combinations </li></ul><ul><li>Keyword searching </li></ul><ul><li>Explode terms and select all subheadings </li></ul><ul><li>Widen your limits (time; language etc.) </li></ul>Too few hits? ©Library & Historic Collections, 2009/10
  38. 41. <ul><li>Narrow the question </li></ul><ul><li>Use more specific terms </li></ul><ul><li>Select fewer subheadings </li></ul><ul><li>Add more terms using AND </li></ul><ul><li>Limit search </li></ul>Too many hits? ©Library & Historic Collections, 2009/10
  39. 42. <ul><li>Tree - shows hierarchy of terms </li></ul><ul><li>Broaden/narrow subject concept </li></ul><ul><li>Scope note </li></ul><ul><li>Definitions of terms </li></ul><ul><li>Permuted index </li></ul><ul><li>Useful when terms can’t be found </li></ul>Search Tools ©Library & Historic Collections, 2009/10
  40. 43. ©Library & Historic Collections, 2009/10 Search Tools
  41. 44. ©Library & Historic Collections, 2009/10 Permuted Index
  42. 45. <ul><li>Uses one good paper to find others </li></ul><ul><li>Check MESH terms in good paper </li></ul><ul><li>Create strategy with relevant terms </li></ul><ul><li>Much greater percentage of ‘good hits’ </li></ul>Citation Pearl Growing ©Library & Historic Collections, 2009/10
  43. 48. Why bother?
  44. 50. Click on the SFX button to find out if we have access to the full-text
  45. 51. If there’s an entry under Read this now , we have access to the full-text electronically
  46. 53. If there’s no entry under Read this now , check the library catalogue for the hardcopy
  47. 54. Catalogue display when the journal is available in paper format Click on the title to find out if we hold the year you want
  48. 55. If the Summary Holding says we have the year, make a note of the Shelfmark
  49. 56. Display when the journal is NOT available in paper format (we don’t subscribe to it)
  50. 57. As you view your records … <ul><li>Skim the titles and authors: decide what might be relevant </li></ul><ul><li>Read the abstracts: </li></ul><ul><ul><li>link to full text if available </li></ul></ul><ul><ul><li>keep a note of shelfmark for items in paper format </li></ul></ul><ul><ul><li>keep a note of important unavailable items </li></ul></ul><ul><ul><ul><li>try specific search (exact title plus author surnames) in Google in case item is in institutional repository or on author website </li></ul></ul></ul><ul><ul><ul><li>discuss interlibrary loan (ILL) possibility with supervisor </li></ul></ul></ul><ul><li>Note down new keywords or search terms, refine your search </li></ul>
  51. 58. How can I keep track of what I have found? Can I save these records? ©Library & Historic Collections, 2009/10
  52. 59. Select the references you are interested in and scroll down the page…
  53. 60. to the Results Manager
  54. 61. You can export your results to RefWorks
  55. 62. Setting up your own Personal Account
  56. 63. Complete the form
  57. 64. Click on Save Search History to save the current search
  58. 65. Give the search a name and set the Type to Permanent. Click Save
  59. 66. Setting up an auto alert. Save your search and this time select AutoAlert . Click Save
  60. 67. Complete the form to set up the AutoAlert
  61. 68. Summary <ul><li>Use the Medline search rules for best results – use help screens if needed </li></ul><ul><li>Plan your search terms </li></ul><ul><li>Apply Limits to your results </li></ul><ul><li>Manage your results using marked list, print, email, export and save </li></ul><ul><li>Can Export to RefWorks to use Write-N-Cite </li></ul><ul><li>Register for extra features/options </li></ul>©Library & Historic Collections, 2009/10
  62. 69. Off Campus Access Technical Issues <ul><li>When on campus you are on a network that is recognised by our suppliers. Additional software (utilities/plugins) often already installed so that software works. </li></ul><ul><li>When off campus you will have to: </li></ul><ul><ul><li>set web proxy to give you full access to electronic journals </li></ul></ul><ul><ul><li>allow pop-ups for certain sites, e.g. RefWorks </li></ul></ul><ul><ul><li>install extra plugins e.g. RefWorks Write-N-Cite </li></ul></ul><ul><li>Login using Shibboleth/UK Federation/Institution Login </li></ul><ul><li>See relevant library guides and computing fact sheets at </li></ul><ul><li>Check and </li></ul>©Library & Historic Collections, 2009/10
  63. 70. How can I find out more? <ul><li>Help screens in Medline via </li></ul><ul><li>Library VodCasts </li></ul><ul><li>Subject support make an appointment to see the Information Consultant for your subject or speak with library floor staff </li></ul><ul><li>Library Guides all online at </li></ul><ul><li>Library Web pages </li></ul><ul><li>Access problems – IT Service Desk extn. 3636 e-mail </li></ul>
  64. 71. What’s next? <ul><li>Any questions? </li></ul><ul><li>Try things out for yourself – select your worksheet… </li></ul>©Library & Historic Collections, 2009/10