TY - JOUR A1 - Katz, S. A1 - Ford, A.B. A1 - Moskowitz, R.W. A1 - Jackson, B.A. A1 - Jaffe, M.W. T1 - Studies of illness in the aged - The index of ADL: A standardized measure of biological and psychosocial function Y1 - 1963 JF - Journal of the American Medical Association SP - 94 EP - -99 ER -