Utilization of the PICO framework to improve searching PubMed for clinical questions.
BMC Med Inform Decis Mak. 2007 Jun 15;7:16. doi: 10.1186/1472-6947-7-16.
BMC Med Inform Decis Mak. 2007.
PMID: 17573961
Free PMC article.
Clinical Trial.