RAJ, G DHINAKAR, B MURALI MANOHAR, R GOVINDARAJAN, A IHANGA VELU, A KOLESWARAN, and A T VENUGOPALAN. 2012. “Immnnohistochemical Detection of Infectious Bursal Disease Virus Antigen”. The Indian Journal of Animal Sciences 69 (1). https://epubs.icar.org.in/index.php/IJAnS/article/view/20243.