Arslan Shuja, Javed Anver Qureshi, Naveed Shuja. “Traditional and Recent Approaches for the Development of Animal Vaccines. A Review”. Pakistan Journal of Medical & Health Sciences 16, no. 12 (February 3, 2023): 460. Accessed May 30, 2025. https://www.pjmhsonline.com/index.php/pjmhs/article/view/3727.