50 years of clinical trials: past, present and future.
D002986:Clinical Trials as Topic; D017041:Ethics Committees; D028744:Ethics Committees, Research; D006664:History; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D007391:International Cooperation; D038622:Internationality; D018579:Patient Selection; D010361:Patients; D010820:Physicians; D010919:Placebos; D011897:Random Allocation; D035842:Research Subjects; D006113:United Kingdom
Biomedical and Behavioral Research