Castro, Roberto S., Lúcio E. H Melo, Silvio R. O. Abreu, Ana Maria M. Muniz, and Ana Paula S. Albuquerque. “Neutralizing Antibodies Against Pestivirus in Bovine Sera from Pernambuco State, Brazil”. Pesquisa Agropecuaria Brasileira 28, no. 11 (November 1, 1993): 1327–1331. Accessed October 17, 2026. https://apct.sede.embrapa.br/pab/article/view/4002.