title: So what? The challenge of doing "need to know" versus "would like to know" research.
authors.affiliation: Agency for Healthcare Research and Quality, US Department of Health and Human Services, Rockville, MD, USA. Ronda.Hughes@ahrq.hhs.gov
authors.forename: Ronda G
authors.initials: RG
authors.lastname: Hughes
authors.forename: Carolyn M
authors.initials: CM
authors.lastname: Clancy
mesh_terms: D019317:Evidence-Based Medicine; D006292:Health Priorities; D006302:Health Services Research; D007255:Information Services