LAWAL, J.R. et al. Prevalence of Infectious Bursal Disease (Gumboro) Antibodies in Village Chickens in Gombe State, Northeastern Nigeria. International Journal of Poultry Science, Pakistan, v. 13, n. 12, p. 703–708, 2014. DOI: 10.3923/ijps.2014.703.708. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/2117. Acesso em: 21 sep. 2025.