Hosseini, H. et al. 2026. Comparative Histopathology and Immunogenicity of two Commercially Available Infectious Bronchitis GI-13 Vaccine Strains in Broiler Chickens. Journal of Poultry Sciences and Avian Diseases. 4, 3 (Jun. 2026), 1–11. DOI:https://doi.org/10.61838/kman.jpsad.13.