Ahmed, Zaheer, Abdul Hameed, and Khalid Naeem. “Quantification of Teratological Effects of Infectious Bronchitis Virus Isolated from Commercial Poultry in Pakistan”. International Journal of Poultry Science 6, no. 12 (November 15, 2007): 866–870. Accessed September 21, 2025. https://ijpsjournal.org/index.php/ijps/article/view/869.