title: Randomized controlled clinical trial. National Eye Institute workshop for ophthalmologists. Ethical aspects of clinical trials.
mesh_terms: D002986:Clinical Trials as Topic; D035061:Control Groups; D028741:Ethics Committees, Clinical; D028744:Ethics Committees, Research; D004992:Ethics, Medical; D006805:Human Experimentation; D006801:Humans; D008722:Methods; D012106:Research; D012107:Research Design; D018570:Risk Assessment