BABIKER, M.A.A.; YAHIA, I.E.; NOURA, K.; MANAL, M.E. Evaluation of Four Commercial Anti - Infectious Bursal Disease (IBD) Vaccines under Sudan Conditions. International Journal of Poultry Science, Pakistan, v. 7, n. 6, p. 570–573, 2008. DOI: 10.3923/ijps.2008.570.573. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/995. Acesso em: 23 sep. 2025.