Hussein , E. A., Hair-Bejo, M., Omar, A., Liew, P. S., Saeed, M. I., Arshad, S. S., Awad, E. A., & Aini, I. (2020). Scoring System for Lesions Induced by Different Strains of Infectious Bursal Disease Virus in Chicken. International Journal of Poultry Science, 19(4), 153–160. https://doi.org/10.3923/ijps.2020.153.160