Severino, R.S. and Bombonato, P.P. (1992) “Occurrence of myocardial bridges in Gir, Guzerá, Nelore and Indubrasil bovines”, Brazilian Journal of Veterinary Research and Animal Science, 29(1), pp. 15–30. doi:10.11606/issn.1678-4456.bjvras.1992.51948.