DHANDAPANY SENTHIL PRAGASH, et al. “OCCURRENCE OF CTX-M AND SHV GENES IN ESBL PRODUCING GRAM NEGATIVE ORGANISMS CAUSING PYOGENIC INFECTIONS IN A TERTIARY CARE HOSPITAL IN PUDUCHERRY”. International Journal of Pharma and Bio Sciences, vol. 3, no. 4, Dec. 2012, pp. 782-8, https://ijpbs.net/index.php/journal/article/view/1832.