Occurrence of Extended Spectrum Beta Lactamase Producings Resistant Escherichia coli and Klebsiella pneumoniae in Clinical Isolates and Associated Risk Factors

I.R. Iroha, G.O. Ezeifeka, E.S. Amadi and C.R. Umezurike

Research Journal of Biological Sciences 4 ( 5 ): 588 - 592 , 2009