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Steps for Acquiring Evidence
- Identify a clinical problem
Create a well-defined research question [using PICO
Translate PICO into a search strategy
- Select most likely resources (databases)
- Tailor search strategy to database(s)
Save search & export results to reference manager
Visual Queue for AND OR NOT Boolean Operators
Image from https://www.quora.com/What-makes-Boolean-Algebra-different-than-Binary-Code
Think broadly and abstractly!
- Terms with the same meaning
- Hypertension/High blood pressure
- Terms with alternate spellings
- Complex concepts described inconsistently
- Long-term, patient-reported satisfaction…/Patients’ experiences with…
- Umbrella terms and specific names
- Sexually transmitted disease/genital warts, syphilis
- Keywords and database-specific subject terms
Construct Search Strategies
Construct search by combining concepts with Boolean operators. Use keywords and subject terms in combination.
Boolean Logic Operators:
||limits results, both concepts
||stoma AND bowel cancer
||more results, either concept
||stoma OR colostomy
||excludes concept(s) from results
||java NOT coffee
Direct Link to NCBI: PubMed video tutorial on searching with MeSH
Direct Link to National Institutes of Health interactive tutorial on MeSH
Link to NCBI: PubMed text tutorial: What is MeSH?
More information about MeSH