G. Poklikuha

Effects of Tai Chi on gait kinematics, physical function, and pain in elderly with knee osteoarthritis--a pilot study.

Chwan-Li Shen, W. Bixby, C. James, 2008, The American journal of Chinese medicine.

Effects of tai chi exercise on posturography, gait, physical function and quality of life in postmenopausal women with osteopaenia: a randomized clinical study

Steven F Sawyer, Chwan-Li Shen, C. James, 2010, Clinical rehabilitation.