Hoseini, Hossein, Zahra Ziafati Kafi, Alireza Bakhshi, Fahimeh Jamiri, Soroush Sarmadi, Najmeh Motamed, Nazanin Sarvan, et al. “Comparative Histopathology and Immunogenicity of Two Commercially Available Infectious Bronchitis GI-13 Vaccine Strains in Broiler Chickens”. Journal of Poultry Sciences and Avian Diseases (February 7, 2026). Accessed February 8, 2026. https://jpsad.com/index.php/jpsad/article/view/175.