title: Canada to reconsider ethics of placebo-controlled trials.
authors.forename: Barbara
authors.initials: B
authors.lastname: Sibbald
mesh_terms: D002170:Canada; D004992:Ethics, Medical; D017408:Guidelines as Topic; D006801:Humans; D010919:Placebos; D011050:Policy Making; D011640:Public Policy; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D012109:Research Support as Topic
chemical_list: D010919:Placebos