TY - JOUR AU - Stewart, A L; Mills, K M; King, A C; Haskell, W L; Gillis, D; Ritter, P L TI - CHAMPS physical activity questionnaire for older adults: outcomes for interventions JO - Med Sci Sports Exerc IS - 07 VL - 33 PY - 2001 DO - 10.1097/00005768-200107000-00010 L3 - PubMed-ID: 11445760 SP - 1126 EP - 1141 ER -