Limiting medical treatment: who decides and when.
D000368:Aged; D004989:Ethics; D004991:Ethics, Institutional; D005065:Euthanasia; D005066:Euthanasia, Passive; D005190:Family; D006801:Humans; D008020:Life Support Care / Q000592:standards*; D009735:Nursing Homes / Q000592:standards*; D010358:Patient Participation; D010819:Physician's Role; D014481:United States