Build your search strategy
This search using Boolean finds over 2000 citations in PubMed:
This search using Boolean, truncation and phrase searching finds around 500 citations in PubMed:
This search using Boolean, truncation, phrase searching and field descriptors finds about 400 citations in PubMed:
Revise
Once you've run your search, look at the results and assess the findings.
- Are you retrieving what you expected to find?
- Do you see new synonyms that you could add to your search?
- Are the field descriptors you chose too limiting?