Pozzatti, P. N., Porfírio, L. C., Maioli, A., Santos, W. G., Costa, F. S., Nunes, L. C., & Zanini, M. S. (2015). Transtracheal aspirate in the diagnosis of affections the lower respiratory system of dogs. Pubvet, 4(33). https://ojs.pubvet.com.br/index.php/revista/article/view/2472