Kenareh, R., S. J. . Mirmohammadi, A. . Khatibi, F. . Shamsi, and A. H. Mehrparvar. “The Comparison of The Efficacy of Photobiomodulation and Ultrasound in the Treatment of Chronic Non-Specific Neck Pain: A Randomized Single-Blind Controlled Trial”. Journal of Lasers in Medical Sciences, vol. 12, May 2021, p. e20, https://journals.sbmu.ac.ir/jlms/article/view/30356.