B. Ahmed , Bassant, et al. “Effect of High Intensity Laser in the Treatment of Myofascial Trigger Points in Symptomatic Knee Osteoarthritis: A Randomized Single-Blinded Controlled Trial”. SPORT TK-EuroAmerican Journal of Sport Sciences, vol. 11, Apr. 2022, p. 24, doi:10.6018/sportk.522811.