Ahmed, Zaheer, and Saeed Akhter. “Role of Maternal Antibodies in Protection Against Infectious Bursal Disease in Commercial Broilers”. International Journal of Poultry Science 2, no. 4 (June 15, 2003): 251–255. Accessed September 21, 2025. https://ijpsjournal.org/index.php/ijps/article/view/94.