Lazzeri, Lourenço, and Mauro Inácio Carneiro. “OBSERVATIONS ON GENITAL SYSTEM OF CROSS-BRED ZEBU COWS IN SLAUGHTER HOUSES”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 1, no. 1, Sept. 2007, pp. 27-34, https://doi.org/10.5216/pat.v1i1.1658.