Guimarães, G. C., M. R. F. Machado, A. L. Q. Santos, and M. A. Miglino. “Anatomic Study and Distribution of the Vallate Papillae in Domestic Cats”. Brazilian Journal of Veterinary Research and Animal Science, vol. 44, no. supl., Dec. 2007, pp. 81-87, doi:10.11606/issn.1678-4456.bjvras.2007.26594.