Epidemiological characterization of bovine brucellosis in Maranhão state, Brazil
M. R Borba M. A Stevenson; V. S. P Gonçalves; Jose Soares Ferreira Neto; Fernando Ferreira; Marcos Amaku; Evelise Oliveira Telles; S. S Santana; J. C. A Ferreira; V. C. F Figueiredo; J. R Lobo; Ricardo Augusto Dias; International Symposium on Veterinary Epidemiology and Economics (13. 2012 Maastricht)