Cavalcanti, J.N., Amstalden, E.M.I., Guerra, J.L. and Magna, L.C. 2004. Osteosarcoma in dogs: clinical-morphological study and prognostic correlation. Brazilian Journal of Veterinary Research and Animal Science. 41, 5 (Oct. 2004), 299-305. DOI:https://doi.org/10.1590/S1413-95962004000500002.