Lan Ching, Lai Jin-Shin, Ssu-Yuan, et al: 12-manth Tai Chi training in the elderly: its effect on health fitness. Med Sci Sports Exerc 30: 345-351, 1998
Li JX, Hong Y, Chan KM, Tai Chi: Physiological characteristics and beneficial effects on health. Br J Sports Med 35: 148-156, 2001
Song R, Lee EO, Lam P, Bae SC: Effects of Tai Chi exercise on pain, balance, muscle strength, and perceived difficulties in physical functioning in older women with osteoarthritis: randomized clinical trial. J Rheumatol 30: 2039-2044, 2003
Zeeuwe PE, Verhagen AP, Biema-Zeinstra SM, et al: The effect of Tai Chi Chuan in reducing falls among elderly people: design of a randomized clinical trial in the Netherlands. BMC Geriatr 30: 6 Links, 2006
Audette JF, Jin YS, Newcomer R, et al: Tai Chi versus brisk walking in elderly women. Age Ageing 35: 388-393, 2006