Seroprevalence and risk factors associated with ovine toxoplasmosis in Northeast BrazilMilena M. Clementino Andrade, Mariangela Carneiro, Andrea D. Medeiros, Valter Andrade Neto and Ricardo W.A. VitorParasite, 20 (2013) 20DOI: https://doi.org/10.1051/parasite/2013019