Isolation and molecular detection of Neospora caninum from naturally infected sheep from Brazil - Pena, Hilda Fátima de Jesus; Soares, Rodrigo Martins; Ragozo, Alessandra Mara Alves; Monteiro, R. M; Yai, Lucia Eiko Oishi; Nishi, Sandra Mayumi; Gennari, Solange Maria (Veterinary Parasitology, 2007)