Frequency of extended spectrum beta-lactamase (ESBLs) producing Escherichia coli and klebseilla pneumonia isolated from urine in an Iranian 1000-bed tertiary care hospital
Ava Behrooozi1, Mohammad Rahbar2* and Jalil Vand Yousefi1
1Department of Microbiology, Faculty of Basic Science, Karaj Azad University, Karaj, Iran.
2Department of Microbiology, Iranian Reference Health Laboratory, Tehran, Iran.
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