PERUMAL, SARAVANA, K VIJAYARANI, K KUMANAN, and V RAMASWAMY. 2012. “Cloning and Expression of AhpC Gene of Mycobacterium Avium Sub Sp. Paratuberculosis”. The Indian Journal of Animal Sciences 82 (4). http://epubs.icar.org.in/index.php/IJAnS/article/view/16666.