PADMAVATHY, C., et al "IMMUNOREACTIVE RECOMBINANT NITRATE REDUCTASE EXPRESSED BY NIR A GENE OF Mycobacterium avium sub sp paratuberculosis IS900 ELEMENT IN E.coli." International Journal of Microbiology Research 10.3 (2018):1062-1065. http://dx.doi.org/10.9735/0975-5276.10.3.1062-1065