When is life out of the physician's hands?
D001926:Brain Death; D003643:Death; D004501:Education, Medical; D005066:Euthanasia, Passive; D006801:Humans; D007603:Jurisprudence; D007878:Legislation as Topic; D008020:Life Support Care; D016224:Living Wills; D010820:Physicians; D019452:Terminally Ill; D016312:Treatment Refusal