Rossetto, V. J. V.; Moreno, K.; Grotti, C. B.; Reis, A. C. F. dos; Bracarense, A. P. F. R. L. Frequency of Tumors in Dogs Based on Cytological Diagnosis: A Retrospective Study in a Veterinary Teaching Hospital. Semina: Ciênc. Agrár. 2009, 30, 189-200.