Prevalence of antibodies to Neospora caninum in dogs from Amazon, Brazil - Cañón-Franco, William Alberto; Bergamaschi, Denise Pimentel; Labruna, Marcelo Bahia; Camargo, Luís Marcelo Aranha; Souza, S. L. P.; Silva, J. C. R.; Pinter, A.; Dubey, J. P.; Gennari, Solange Maria (Veterinary Parasitology, 2003)