Souza, W.M. de (1994) “Anatomical study of the ductus choledocus, ductus cysticus, vesica fellea and ductus biliferus principalis dexter in buffaloes”, Brazilian Journal of Veterinary Research and Animal Science, 31(2), pp. 119–123. doi:10.11606/issn.1678-4456.bjvras.1994.52056.