Incidence of infectious bursal disease in chickens submitted to the Veterinary Research Institute (VRI), Khartoum-Sudan. Journal of Veterinary Medicine and Animal Production, [S. l.], v. 5, n. 2, 2022. Disponível em: https://onlinejournals.uofk.edu/vet/article/view/986. Acesso em: 25 مايو. 2026.