Walid Ahmed Kamal, Mahmood Saber, Khalid Aiad, Mohamed Serag Eldein Mahgoub Mostafa, Wagdy William Younan, Samah Saad Zahran, “High-Power Laser Versus Phonophoresis in Subacromial Impingement Syndrome: Randomized Controlled Trial”, Annals of RSCB, pp. 342–354, Mar. 2021.