NAYAK, M. S.; KALA, D. D.; AGARWAL, A. Hormonal effects of drosperinone and ethinyl estradiol based combined oral contraceptives on polycystic ovarian syndrome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 5, p. 1824–1827, 2021. DOI: 10.18203/2320-1770.ijrcog20211494. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/10140. Acesso em: 14 oct. 2025.