Benjaboonyanupap, Dararat, Aatit Paungmali, and Ubon Pirunsan. 2014. “Physiological Changes Following Therapeutic Sequence of Hot Pack Combined With Ultrasound over Latent Myofascial Trigger Point of Upper Trapezius Muscle”. Journal of Associated Medical Sciences 47 (1):61. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/59993.