US Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Promotion. Physical activity and health: a report of the Surgeon General. Atlanta (GA): US Department of Health and Human Services, 1996 Google Scholar Martin ...
Wolf SL, Barnhart HX, Kutner NG, McNeely E, Coogler C, Xu T. Reducing frailty and falls in older persons: an investigation of tai chi and computerized balance training. Atlanta FICSIT group. Frailty and injuries: cooperative studies of intervention techniques. J Am Geriatr Soc. 1996;44(5):...