Seroprevalence of antibodies against group A rotavirus in cattle from a pioneer frontier in Brazilian Amazon - Brandão, Paulo Eduardo; Cortez, Adriana; Ferreira, Fernando; Ferreira Neto, José Soares; Gregori, Fábio; Heinemann, Marcos Bryan; Homem, Valéria Stacchini Ferreira; Rodriguez, Cesar Alejandro Rosales; Jerez, José Antonio (Brazilian Journal of Veterinary Research and Animal Science, 2002)