Monteiro, R. V.; Santos, M. R. C. dos; Vianna, E. B.; Araújo, T. C. S. de; Verona, C. E.; Fedullo, L. P. L. Serial Clinical, Colpo-Cytological and Endocrinological Evaluations of Cerdocyon Thous Bitches from the Rio De Janeiro Zoo. Braz. J. Vet. Res. Anim. Sci. 2002, 39 (2), 93-96. https://doi.org/10.1590/S1413-95962002000200007.