Garcês A, Pires I, Alvura N, Gama A, Alves A, Silva F, et al. Volvulus in a 20 years old captive hippopotamus (Hippopotamus amphibius, Linnaeus, 1758). JAVR [Internet]. 2020 Oct. 8 [cited 2026 Sep. 25];10(4):261-2. Available from: https://www.advetresearch.com/index.php/AVR/article/view/529