Detection and molecular characterization of chicken astrovirus associated with chicks that have an unusual condition known as “white chicks” in Brazil - Nuñez, L. F. N; Parra, Silvana Hipatia Santander; Carranza, Claudia; Astolfi-Ferreira, Claudete Serraro; Buim, M. R; Ferreira, Antonio José Piantino (Poultry Science, 2016)