SINGANGUTTI, R. Incidence and etiologic factors responsible for anovulation in infertility cases. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 7, n. 4, p. 1567–1570, 2018. DOI: 10.18203/2320-1770.ijrcog20181357. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/4498. Acesso em: 27 oct. 2025.