In defense of the "ordinary"/"extraordinary" distinction.
D002410:Catholicism; D006806:Human Rights; D006801:Humans; D008020:Life Support Care; D016743:Mental Competency; D028681:Moral Obligations; D010361:Patients; D010820:Physicians; D012015:Reference Standards; D012941:Social Responsibility; D019452:Terminally Ill; D020458:Third-Party Consent; D016312:Treatment Refusal