BELLO, T. O. Tubal abnormalities on hysterosalpingography in primary and secondary fertility. West African Journal of Medicine, [S. l.], v. 25, n. 2, p. 130–133, 2007. DOI: 10.4314/wajm.v25i2.28263. Disponível em: https://www.ajol.info/index.php/wajm/article/view/28263. Acesso em: 10 aug. 2026.