Prevalence of Toxoplasma gondii and Neospora caninum infections in sheep from Federal District, central region of Brazil - Ueno, Tatiana Evelyn Hayama; Gonçalves, Vitor Salvador Picão; Heinemann, Marcos Bryan; Dilli, Tales Luís Bezerra; Akimoto, Bruno Minoru; Souza, Sílvio Luís Pereira de; Gennari, Solange Maria; Soares, Rodrigo Martins (Tropical Animal Health and Production, 2009)