APIBANTAWEESAKUL, Sudarat. “Comparison of Knee Muscle Balance at Different Knee Flexion Angles Between Patients With Patellofemoral Pain Syndrome With Healthy Subjects”. Walailak Journal of Science and Technology (WJST) 14, no. 8 (August 28, 2016): 637–643. Accessed April 28, 2024. https://wjst.wu.ac.th/index.php/wjst/article/view/2523.