Ethical implications of surgical experiments.
D030881:Disclosure; D028741:Ethics Committees, Clinical; D028744:Ethics Committees, Research; D004992:Ethics, Medical; D006354:Heart, Artificial; D006805:Human Experimentation; D006801:Humans; D033281:Nontherapeutic Human Experimentation; D018570:Risk Assessment; D036302:Therapeutic Human Experimentation; D014183:Transplantation, Heterologous; D014481:United States; D014486:United States Food and Drug Administration