H. Pouradeli, H. Sadeghi, yahya Sokhangouei, and M. A. . Azarbayjani, “The Effect of Two Selected Exercise Protocols alongside Attention Instructions on the Pain and Balance of Male Elderly Suffering Knee Osteoarthritis”, J Clin Physiother Res, vol. 6, no. 3, p. e39, Jun. 2021.