Prevalence of Neospora caninum antibodies in cattle from Santarém, Pará, Brazil - Minervino, Antonio Humberto Hamad; Ragozo, Alessandra Mara Alves; Monteiro, Renata Molina; Ortolani, Enrico Lippi; Gennari, Solange Maria (Research in Veterinary Science, 2007)