ABDEL HAFEEZ, M. A.; KORTAM, A. M. F.; YOUSSEF, A. M. A.; REDA, A.; ABDELRAHMAN, R. M. Effect of nitric oxide donors on uterine and sub-endometrial blood flow in patients with unexplained infertility: a randomized controlled trial. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 10, n. 6, p. 2178–2184, 2021. DOI: 10.18203/2320-1770.ijrcog20212144. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/10314. Acesso em: 7 nov. 2025.