Barari, Mohammad, Shima Khorrami, Seyyed Pejman Mortazavi, Alireza Bahonar, and Saeed Charkhkar. 2024. “Comparative Histopathology of Three Serotypes of Live Infectious Bronchitis Vaccine (IB88 – 4 91 – H120) in Broiler Chickens”. The Journal of Poultry Sciences and Avian Diseases 2 (4): 9-18. https://jpsad.com/index.php/jpsad/article/view/75.