Risk factors and seroprevalence of Brucella spp. in cattle from Western Amazon, Brazil - Aguiar, Daniel Moura de; Cavalcante, Guacyara Tenório; Labruna, Marcelo Bahia; Vasconcellos, Silvio Arruda; Rodrigues, A. A. R; Morais, Zenaide Maria de; Camargo, Luís Marcelo Aranha; Gennari, Solange Maria (Arquivos do Instituto Biológico, 2007)