TAHER, R. A.; KZAR AL-ESSAMI, S. A.; HUSSEIN KADHIM, B. Evaluation of the effect of sildenafil on nitric oxide secretion and improvement of endometrial receptivity in fresh ICSI cycles. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 12, n. 4, p. 848–852, 2023. DOI: 10.18203/2320-1770.ijrcog20230780. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/12779. Acesso em: 27 oct. 2025.