Searching the literature_ThawaniPresentation Transcript
Biomedical information retrieval using PubMed ®
Your money! Lunch Money - Rs 65 Stationary - Rs 31 Certificate - Rs 04 Total - Rs 100
Instructions Use the computer as and when instructed to No other use of the computer is permitted during the workshop
Learning Objectives By the end of this session, you should be able to: Understand how PubMed translates basic searches. Use MeSHand Limits to refine your search. Understand and use Boolean operators. Develop a search strategy. Download and email citations
You have to search a thesis topic on types of drug and diet therapy for skin cancer Search the web to see what has been already done on this topic
Try PubMed ® Retrieval of core information Looking at all the wrong places
How do I access PubMed? Directly at: http://pubmed.com Or, National Library of Medicine’s homepage: http://www.nlm.nih.gov
AvoidStopwords 9:07 AM Superfluous words types of and for
What is a Search Strategy? A plan that helps you look for the information you need. Search Strategy Tips Pick a search topic Divide topic into concepts Find words (keywords) or subject headings (MeSH) to represent these concepts Refine your search to dates, study groups, etc., as appropriate. (Limits) Combine concepts with Boolean (AND, OR, or NOT) connectors
Types of drug and diet therapy for skin cancer Patient population(Not defined) Intervention/therapy (Drug & Diet therapy) Comparison (Not applicable), and Outcome (Skin cancer) Find out the MeSH word for ‘Skin Cancer’
What is MeSH? MeSH – Medical Subject Headings Controlled vocabulary terms Epistaxis, Brain Edema, Otitis Media, Myocardial Infarction 9:07 AM
Click MeSH Database 9:07 AM
to apply limits. Search Click
Results are reduced from 4,224 to 64
Click Display Settings
Select Abstract and click Apply 9:07 AM
Selected results can also be sent to a clipboard area. Select Send to Clipboard from the dropdown menu.
Building Blocks(Boolean Operators) AND narrows OR broadens NOT excludes Always use in UPPERCASE 9:07 AM
Default Functions of PubMed If no boolean between words, it assumes ‘AND’ salmonella hamburger = salmonella AND hamburger If anything is written in WORD Alphabet (s) form, it assumes author gupta p shah d If journal name or pubmed version is typed, it searches it only in the journal gupta p shah d lancet 9:07 AM
Exercise 1 Impact of daily vs weekly supplementation of iron and folic acid on hemoglobin status
Impact of daily vs weekly supplementation of iron and folic acid on hemoglobin status
Exercise 2 Use MeSH Database to build a strategy that will find citations to articles about Statistics of Measles Outbreak. Measles and Outbreak should be the major topics of the articles.
Exercise 3 Your supervisor asks you to find an article he read in JAMA or New England Journal of Medicine about “Virtual colonoscopy” written by Mitka M.
Exercise 4 Find citations to articles about the ethics of kidney transplantation. Filter to review articles. Select 5 items and add them to the Clipboard. Go to the Clipboard and view the selected items in Abstract format and email the citations to your account.