T. . RAMESHWARI, K. Atul, C. Varsha, S. Paramjit, S. Vk, and N. Agarwal, “PREVALENCE OF VARIOUS BETA LACTAMASES AMONG GRAM NEGATIVE BACILLI IN URINARY ISOLATES FROM PATIENTS IN A TERTIARY CARE HOSPITAL OF NORTHERN INDIA”, Asian J Pharm Clin Res, vol. 10, no. 4, pp. 129–132, Apr. 2017.