title: FDA uneasy about placebo revision.
authors.forename: T
authors.initials: T
authors.lastname: Hollon
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D017277:Drug Approval; D004992:Ethics, Medical; D006381:Helsinki Declaration; D010919:Placebos; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D010919:Placebos