AHMED, Zaheer; INAYAT, S.; NAEEM, K.; MALIK, S.A. Comparative Immune Response Pattern of Commercial Infectious Bursal Disease Vaccines Against Field Isolates in Pakistan. International Journal of Poultry Science, Pakistan, v. 2, n. 6, p. 449–453, 2003. DOI: 10.3923/ijps.2003.449.453. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/131. Acesso em: 23 sep. 2025.