title: [The Helsinki Declaration of the World Medical Association (WMA). Ethical principles of medical research involving human subjects].
mesh_terms: D035843:Biomedical Research / Q000941:ethics* / Q000592:standards; D028744:Ethics Committees, Research / Q000592:standards; D006381:Helsinki Declaration; D006805:Human Experimentation / Q000941:ethics* / Q000592:standards; D006801:Humans; D010919:Placebos; D018570:Risk Assessment; D012955:Societies, Medical / Q000592:standards*
chemical_list: D010919:Placebos