Seroprevalence and risk factors associated with Chlamydophila abortus infection in dairy goats in the Northeast of Brazil - Santos, Carolina Sousa Américo Batista; Piatti, Rosa Maria; Azevedo, Sérgio Santos de; Alves, Clebert Jose; Higino, Severino Silvano dos Santos; Silva, M. L. C. R; Brasil, A. W. L; Gennari, Solange Maria (Pesquisa Veterinária Brasileira, 2012)