R, S., L. P. R, and E. Selvam. “ANTIBIOTIC SUSCEPTIBILITY PATTERN AND ESBL PREVALENCE IN ESCHERICHIA COLI ISOLATES FROM PUS SAMPLES IN A TERTIARY CARE HOSPITAL”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 3, Mar. 2015, pp. 263-4, https://journals.innovareacademics.in/index.php/ijpps/article/view/3664.