Tokarnia, C. H., Döbereiner, J. and Canella, C. F. (2014) “Occurrence of enzootic hematuria and epidermoid carcinoma of the upper digestive tract of cattle in Brazil. II. Complemenary studies”, Pesquisa Agropecuaria Brasileira, 4(1), pp. 209–224. doi: 10.1590/S1678-3921.pab1969.v4.17847.