title: Community health improvement approaches: accounting for the relative lack of impact.
authors.forename: S M
authors.initials: SM
authors.lastname: Shortell
mesh_terms: D018672:Community Health Planning / Q000458:organization & administration*; D015438:Health Behavior; D006293:Health Promotion / Q000458:organization & administration*; D006302:Health Services Research; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D014481:United States