Syed, A. and Rao, S.B. 2020. Prevalence of premenstrual syndrome and dysmenorrhea among medical students and its impact on their college absenteeism. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 9, 4 (Mar. 2020), 1377–1381. DOI:https://doi.org/10.18203/2320-1770.ijrcog20201042.