MeSH descriptors are organized in 16 categories: category A for anatomic terms, category B for organisms, C for diseases, D for drugs and chemicals, etc. Each category is further divided into subcategories. Within each subcategory, descriptors are arrayed hierarchically from most general to most specific in up to eleven hierarchical levels. These trees
Selected results can also be sent to a clipboard area. Select “Send To Clipboard” from the dropdown menu.
Boolean operators are named after George Boole, an Englishman, who invented them as part of a system of logic in the mid-1800's
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
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
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 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.