Ray Marks. “Frailty, Frailty Progression, Falls Fears and Injuries Among the Elderly: Possible Protective Role of a Stepped Stage Theory Approach to Active Tai Chi Therapy Adoption”. International Journal of Complementary and Internal Medicine, vol. 7, no. 1, June 2026, pp. 523–534, https://ijcimjournal.com/index.php/1/article/view/106.