BITTEGEKO, S.; MGASSA, M.; MPANDUJI, D. Recto-Vesicular Fistula with Atresia Anus and Rectum in an Ayrshire Bull Calf. Tanzania Veterinary Journal, [S. l.], v. 18, n. 2, p. 77–79, 1998. Disponível em: https://tvj2.sua.ac.tz/vet2/index.php/TVJ/article/view/445. Acesso em: 30 apr. 2026.