D. A. Godoi, M. I. P. P. Antunes, M. V. B. Arias, C. E. Grumadas, A. Z. Reia, and J. K. Nagashima, “Retrospective study of anesthetic proceedings realized in dogs and cats undergoing neurosurgeries”, Semina: Ciênc. Agrár., vol. 30, no. 1, pp. 171–180, Jul. 2009.