T. G. Bizari, B. F. Lautert, and R. S. de Sousa, “Biliary cystadenoma in a lion (Panthera leo)”, Brazilian Journal of Veterinary Pathology, vol. 15, no. 1, pp. 54–56, Mar. 2022, doi: 10.24070/bjvp.1983-0246.v15i1p54-56.