Canine distemper virus: detection of viral RNA by Nested RT-PCR in dogs with clinical diagnosis - Alcalde, Rosana; Kogika, Márcia Mery; Wirthl, Vera Assunta Battistini Fortunato; Coelho, Bruna Maria Pereira; Lopes, Luciano Rodrigo; Paiva, Paulo Bandiera; Durigon, Edison Luiz (Brazilian Journal of Veterinary Research and Animal Science, 2013)