Pervaiz, G. ., R. . Shahid, S. A. . Sabir, S. . Bilal, A. R. . Sheikh, and M. . Qureshi. “Physical Symptoms, Behavioral Effects and Remedial Associated With Pre-Menstrual Syndrome Among Medical Students of Rawalpindi Medical University, Pakistan”. Pakistan Journal of Medical Research, vol. 60, no. 4, Jan. 2022, pp. 163-7, https://www.pjmr.org.pk/index.php/pjmr/article/view/102.