Prolonging life: the duty and its limits.
D003657:Decision Making; D005066:Euthanasia, Passive; D005610:Freedom; D006801:Humans; D008020:Life Support Care; D028681:Moral Obligations; D010361:Patients; D026684:Personal Autonomy; D010820:Physicians; D012941:Social Responsibility; D019452:Terminally Ill; D020458:Third-Party Consent