AHMAD, K.; MUZAFFAR, U.; BASHIR, S.; JABEEN, F. Effects of letrozole alone or letrozole in combination with low-dose intramuscular injection of human menopausal gonadotropin on ovulation and pregnancy of 150 patients with polycystic ovary syndrome. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 1, p. 164–172, 2020. DOI: 10.18203/2320-1770.ijrcog20205763. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/8692. Acesso em: 13 oct. 2025.