Visitin, José Antonio, et al. “A Contribution to the Study of the Testicular Arterial Vascularization in Nelore Bovines”. Brazilian Journal of Veterinary Research and Animal Science, vol. 28, no. 2, Dec. 1991, pp. 131-9, https://doi.org/10.11606/issn.1678-4456.bjvras.1991.51932.