M. M. Roostayi, Z. Tajammoli, M. Ghasemi, K. khademi kalantari, and A. Akbarzadeh-Baghban, “Effects of Phonophoresis with Hydrocortisone Alone and in Combination with 10% Dimethylsulfoxide on Myofascial Trigger Points in the Upper Trapezius Muscle”, J Clin Physiother Res, vol. 4, no. 1, p. e6, Jan. 2019.