Cheng, Ye, Yan Song, and Feilong Wu. “Biomechanical Analysis of Balance Control in the Elderly By Ba Duan Jin”. Molecular & Cellular Biomechanics 21, no. 3 (November 19, 2024): 541. Accessed November 19, 2024. https://sin-chn.com/index.php/mcb/article/view/541.