Balakrishna, G, et al. “DIAGNOSIS OF BOVINE LEPTOSPIROSIS BY 16s RRNA BASED POLYMERASE CHAIN REACTION ”. Indian Journal of Veterinary Sciences and Biotechnology, vol. 10, no. 1, May 2014, pp. 87-88, https://acspublisher.com/journals/index.php/ijvsbt/article/view/3026.