Focus on information retrieval: Search terms and a validated brief search filter to retrieve publications on health-related values in Medline: a word frequency analysis study.

Mila Petrova Paul Sutcliffe K. W. M. (Bill) Fulford Jeremy Dale Focus on information retrieval: Search terms and a validated brief search filter to retrieve publications on health-related values in Medline: a word frequency analysis study. 479-488 2012 19 JAMIA 3 http://dx.doi.org/10.1136/amiajnl-2011-000243 db/journals/jamia/jamia19.html#PetrovaSFD12