7Stern D, Sefton M. Biogenesis of avian infectious bronchitis virus virion proteins [J]. Virology, 1992, 44: 804-812.
8Cavanagh D, Davis P, Mockett A P A. Amino acids within the hypervariable region I of avian coronavirus IBV (Massachusetts serotype) spike glycoprotein are associated with neutralization epitopes [J]. Virus Res, 1988, 11: 141-150.
9Cavanagh D, Darbyshire H, Davis P. Induction of humoralneutralizing and hemagglutination-inhibiting antibody by the spike protein of avian infectious bronchitis virus [J]. Avian Pathol, 1984, 13: 573-583.
10Ignjatovic J, Galli L. The SI glycoprotein but not the N or M proteins of avian infectious bronchitis virus induces protection in vaccinated chickens [J]. Arch Virol, 1994, 138:117-134.