title: The controlled, randomised clinical trial -- sacred duty or sacred cow?
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods / Q000639:trends; D004311:Double-Blind Method; D006801:Humans; D010919:Placebos; D011897:Random Allocation; D012107:Research Design; D009626:Terminology as Topic
chemical_list: D010919:Placebos