N. M. Ocarino, J. G. Paniago, P. V. F. Lasmar, A. U. Carvalho, E. J. Facury Filho, and R. Serakides, “Bilateral Giant Pulmonary Emphysematous Bullae in a Calf”, Brazilian Journal of Veterinary Pathology, vol. 4, no. 2, pp. 138–141, Jul. 2011, Accessed: Oct. 19, 2025. [Online]. Available: https://bjvp.org.br/bjvp/article/view/91