title: Placebo-controlled trials.
authors: B
authors: B
authors: Djulbegovic
mesh_terms: D035061:Control Groups; D004992:Ethics, Medical; D006801:Humans; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D035501:Uncertainty
chemical_list: D010919:Placebos