BABIKER, M.A.A.; TAWFEEG, E. Role of Administration Routes of Anti - Infectious Bursal Disease Virus (Gumboro) Vaccine on Immunization of Chicken . International Journal of Poultry Science, Pakistan, v. 7, n. 3, p. 279–282, 2008. DOI: 10.3923/ijps.2008.279.282. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/943. Acesso em: 21 sep. 2025.