Health care proxies.
D016223:Advance Directives; D003242:Conscience; D003657:Decision Making; D005066:Euthanasia, Passive; D005568:Forms and Records Control; D006268:Health Facilities; D006801:Humans; D007603:Jurisprudence; D016365:Liability, Legal; D008404:Massachusetts; D016743:Mental Competency; D016134:Organizational Policy; D005791:Patient Care; D010820:Physicians; D011996:Records; D013219:State Government; D013727:Terminal Care; D020458:Third-Party Consent