Epidemiological survey and molecular characterization of avian infectious bronchitis virus in Brazil between 2003 and 2009 - Chacón, Jorge Luis; Rodrigues, Juliana Nogueira; Assayag Júnior, Mario Sergio; Peloso, Camila; Pedroso, Antonio Carlos; Ferreira, Antonio José Piantino (Avian Pathology, 2011)