Prevalence of Extended Spectrum Beta Lactamases in Uropathogenic Escherichia coli and Klebsiella Species in a Chennai Suburban Tertiary Care Hospital and its Antibiogram Pattern

Gayathri Gururajan, Kathireshan A. Kaliyaperumal and Balagurunathan Ramasamy

Research Journal of Microbiology 6 ( 11 ): 796 - 804 , 2011