Lambert, E. V., Charlton, K., Murphy, K., Ferreira, M., & Noakes, T. D. (1996). ASSESSMENT OF HABITUAL PHYSICAL ACTIVITY IN ELDERLY PERSONS OF MIXED-ANCESTRY IN THE WESTERN CAPE, SOUTH AFRICA 974. Medicine & Science in Sports & Exercise, 28(5), 163. doi:10.1097/00005768-199605001-00972
Lambert, E. V., Charlton, K., Murphy, K., Ferreira, M., & Noakes, T. D. (1996). ASSESSMENT OF HABITUAL PHYSICAL ACTIVITY IN ELDERLY PERSONS OF MIXED-ANCESTRY IN THE WESTERN CAPE, SOUTH AFRICA 974. Medicine & Science in Sports & Exercise, 28(5), 163. doi:10.1097/00005768-199605001-00972