“Meta-Analysis the Effectiveness of Isometric Relaxation and Laser Therapy in Reducing Myofascial Pain Syndrome on Musculus Upper Trapezius”, J Epidemiol Public Healt, vol. 6, no. 2, pp. 245–255, Apr. 2021, Accessed: Feb. 11, 2026. [Online]. Available: https://www.jepublichealth.com/index.php/jepublichealth/article/view/407