Almeida, R. M. de, Valadão, C. A. de A., Farias, A., Duque, J. C. M. and Souza, A. H. de (2005) “Evaluation of the effects of epidural amitraz in cows”, Brazilian Journal of Veterinary Research and Animal Science, 42(6), pp. 419-428. doi: 10.11606/issn.1678-4456.bjvras.2005.26400.