Mestrinho, Lisa Alexandra, Carolina Monteiro, Cristina Sobral, Joana Travancinha, and Maria Manuela Niza. “A Case of a Congenital Umbilicobiliary Fistula Associated With Gallbladder Agenesis in a Dog”. Brazilian Journal of Veterinary Medicine 44 (May 3, 2022): e002821. Accessed July 7, 2022. https://rbmv.org/BJVM/article/view/1239.