Clarifying the concepts of research ethics.
D004341:Drug Evaluation; D004992:Ethics, Medical; D005333:Fetus; D006381:Helsinki Declaration; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D033281:Nontherapeutic Human Experimentation; D012106:Research; D035842:Research Subjects; D012306:Risk; D018570:Risk Assessment; D036302:Therapeutic Human Experimentation; D013812:Therapeutics; D014481:United States