Amorim Júnior, Adelmar Afonso de, et al. “Systematization of the Cranial Vena Cava in Buffalos (Bubalus Bubalis Bubalis Simpson, 1945)”. Brazilian Journal of Veterinary Research and Animal Science, vol. 39, no. 6, Jan. 2002, pp. 306-10, https://doi.org/10.1590/S1413-95962002000600006.