Elkomy, Ashraf, Mohamed Aboubakr, Faten Elsayed, Elsayed Emam, and Mohammed Kassem. “Immunological Status in Broiler Chickens Vaccinated With Newcastle Vaccine and Treated With Cephradine”. International Journal of Pharmacology and Toxicology 7, no. 2 (July 22, 2019): 22–28. Accessed May 21, 2025. https://mail.sciencepubco.com/index.php/IJPT/article/view/29194.