SYED, A.; RAO, S. B. Prevalence of premenstrual syndrome and dysmenorrhea among medical students and its impact on their college absenteeism. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 9, n. 4, p. 1377–1381, 2020. DOI: 10.18203/2320-1770.ijrcog20201042. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/8247. Acesso em: 13 oct. 2025.