Meenambigai, T V, K Nachimuthu, A Koteeswaran, K Kumanan, B Murali Manohar, and M Prathiban. 2005. “Sensitivity of Nested Polymerase Chain Reaction in the Detection of Infectious Bursal Disease Viruses”. The Indian Journal of Animal Sciences 75 (9). https://epubs.icar.org.in/index.php/IJAnS/article/view/9424.