Clarifying standards for using placebos.
Levine
Robert J
RJ
Carpenter
William T
WT
Appelbaum
Paul S
PS
D018849:Controlled Clinical Trials as Topic / Q000941:ethics* / Q000592:standards; D003906:Developing Countries; D028744:Ethics Committees, Research; D032984:Ethics, Research; D005062:European Union; D017408:Guidelines as Topic; D006381:Helsinki Declaration; D006801:Humans; D010919:Placebos / Q000592:standards*
D010919:Placebos