Sarueng, E., Wanasawaeng, W., Sasipreeyajan, J. and Chansiripornchai, N. 2014. Efficacy of Live Infectious Bronchitis Vaccine Programs against Infection by QX-Like Strain of Infectious Bronchitis Virus. The Thai Journal of Veterinary Medicine. 44, 2 (Jun. 2014), 187–194.