title: On confusing prima facie validity with true validity.
authors.forename: V W
authors.initials: VW
authors.lastname: Berger
authors.forename: E
authors.initials: E
authors.lastname: Gee
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards; D003880:Dermatology / Q000592:standards*; D006801:Humans; D010506:Periodicals as Topic; D012196:Review Literature as Topic