Viana, W.G. and Borelli, V. 1991. Contribution to the study of the spermatic cord in bovines of Nelore breed. Brazilian Journal of Veterinary Research and Animal Science. 28, 1 (Jun. 1991), 11–17. DOI:https://doi.org/10.11606/issn.1678-4456.bjvras.1991.51919.