机构:
Washington DC Vet Adm Med Ctr, Geriatr & Palliat Care Dept, 50 Irving St NW, Washington, DC 20422 USA
George Washington Univ, Internal Med, Washington, DC 20052 USAWashington DC Vet Adm Med Ctr, Geriatr & Palliat Care Dept, 50 Irving St NW, Washington, DC 20422 USA