Mittal, D., N. Jindal, S.L. Gupta, R.S. Kataria, and A.K. Tiwari. 2005. “Detection of Infectious Bursal Disease Virus in Field Outbreaks in Broiler Chickens by Reverse Transcription-Polymerase Chain Reaction”. International Journal of Poultry Science 4 (4): 239–243. https://doi.org/10.3923/ijps.2005.239.243.