Clinical signs and tracheal ciliostasis induced by avian coronavirus of pigeon and chicken origins in chickens - Martini, M. C.; Ferreira, Helena Lage; Caserta, Leonardo Cardia; Barbané, A. C.S.; Padilla, M. A.; Arns, Clarice Weis (International Symposium on Avian Corona- and Pneumoviruses and Complicating Pathogens, 2014)