title: Establishing optimal requirements for content validity: a work in progress.
authors.forename: Sheri
authors.initials: S
authors.lastname: Fehnel
mesh_terms: D016208:Databases, Factual; D017277:Drug Approval / Q000379:methods*; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods / Q000592:standards*; D014481:United States; D014486:United States Food and Drug Administration