title: World Medical Association clarifies rules on placebo controlled trials.
authors.forename: A
authors.initials: A
authors.lastname: Ferriman
mesh_terms: D035061:Control Groups; D018849:Controlled Clinical Trials as Topic / Q000592:standards*; D004992:Ethics, Medical; D014943:Global Health; D006801:Humans; D010919:Placebos; D017410:Practice Guidelines as Topic; D012955:Societies, Medical
chemical_list: D010919:Placebos