Detection of Brucella ovis in ovine from Paraíba State, in the Northeast region of Brazil - Alves, Clebert Jose; Figueiredo, Salomão Moreira de; Azevedo, Sérgio Santos de; Clementino, Inácio José; Keid, Lara Borges; Vasconcellos, Silvio Arruda; Batista, Carolina de Sousa Américo; Rocha, Vivianne Cambuí Mesquita; Higino, Severino Silvano (Brazilian Journal of Microbiology, 2010)