“Comparative Immunologic and Physiologic Study of Broiler Vaccinated With Five Different Gumboro Vaccines”.
The Iraqi Journal of Veterinary Medicine 34, no. 2 (December 30, 2010): 167–174. Accessed April 1, 2025.
https://jcovm.uobaghdad.edu.iq/index.php/Iraqijvm/article/view/648.