TY - JOUR A1 - Freedman, V. A. A1 - Martin, L. G. A1 - Schoeni, R. F. T1 - Recent trends in disability and functioning among older adults in the United States: A systematic review Y1 - 2002 DO - 10.1001/jama.288.24.3137 JF - Journal of the American Medical Association VL - 288 SP - 3137 EP - -3146 ER -