Kumar, G.S. and Parihar, N.S. (2012) “Immunological response to PPD and phosphatide antigens in buffaloes experimentally infected with Mycobacterium bovis”, The Indian Journal of Animal Sciences, 69(2). Available at: https://epubs.icar.org.in/index.php/IJAnS/article/view/20257 (Accessed: 24 October 2025).