The infection of primary avian tracheal epithelial cells with infectious bronchitis virus Ching-I Shen, Ching-Ho Wang, Jiunn-Wang Liao, Tien-Wang Hsu, Shu-Ming Kuo and Hong-Lin Su Vet. Res., 41 1 (2010) 06 Published online: 01 October 2009 DOI: 10.1051/vetres/2009054