MUMMALANENI, G.; MYNENI, K. K. Effects of calcium-vitamin D and metformin on the menstrual cycle and ovulation in polycystic ovary syndrome patients in a tertiary care teaching hospital. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 4, p. 1442–1447, 2021. DOI: 10.18203/2320-1770.ijrcog20211117. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/9645. Acesso em: 4 dec. 2025.