title: Ethical standards for psychology: development and revision, 1938-1968.
mesh_terms: D002986:Clinical Trials as Topic; D004995:Ethics, Professional / Q000592:standards*; D006805:Human Experimentation / Q000592:standards*; D006801:Humans; D011584:Psychology / Q000592:standards*; D012958:Societies, Scientific / Q000592:standards*; D014481:United States