'Being old makes you different': the ethics of research with elderly subjects.
D000368:Aged; D028744:Ethics Committees, Research; D004992:Ethics, Medical; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D008722:Methods; D033281:Nontherapeutic Human Experimentation; D026706:Paternalism; D026684:Personal Autonomy; D035842:Research Subjects; D012306:Risk