LIGNON, J.S., CARARETO, R., SANTOS, W.I.M., LANDARIN, T., YOSHITANI, U.Y., PRITSCH, I.C., FROES, T.R., DORNBUSCH, P.T. e MOLENTO, M.B. 2020. Spirocerca lupi (SPIRURIDA: SPIROCERCIDAE) INFECTION ASSOCIATED TO SECONDARY MEGAESOPHAGUS AND OBSTRUCTIVE PROCESS IN A SENILE DOG. Ars Veterinaria. 36, 1 (abr. 2020), 20–24. DOI:https://doi.org/10.15361/2175-0106.2020v36n1p20-24.