title: Why do clinical trials fail?
authors.forename: Karl
authors.initials: K
authors.lastname: Rickels
authors.forename: Donald S
authors.initials: DS
authors.lastname: Robinson
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003142:Communication; D006801:Humans; D015337:Multicenter Studies as Topic; D015588:Observer Variation; D011600:Psychopharmacology / Q000379:methods*; D012107:Research Design