Risk factors for Toxoplasma gondii infection in sheep in the northeastern region of Brazil - Rizzo, Huber; Gaeta, Natalia Carrillo; Hora, João Henrique Costa; Carvalho, Jeferson Silva; Pinheiro Junior, José Wilton; Gennari, Solange Maria; Pena, Hilda Fátima de Jesus; Villalobos, Eliana Monteforte Cassaro; Gregory, Lilian (Brazilian Journal of Veterinary Research and Animal Science, 2017)