Yildirim, Tulay. “Evaluation of the Relationship Between Physical Activity Level and Functional Capacity, Depression and Quality of Life in Patients With Knee Osteoarthritis”. Annals of Medical Research 28, no. 1 (May 25, 2021): 0193–0196. Accessed July 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/330.