Azima, Sara, Hajar Rajaei Bakhshayesh, Keramatollah Abbasnia, Maasumeh Kaviani, and Mehrab Sayadi. “The Effect of Isometric Exercises on Primary Dysmenorrhea: A Randomized Controlled Clinical Trial”. Galen Medical Journal 4, no. 1 (February 19, 2015): 26-32. Accessed August 8, 2022. https://gmj.ir/index.php/gmj/article/view/168.