Figure 2From: Incidence of metallo-beta-lactamase producing clinical isolates of Escherichia coli and Klebsiella pneumoniae in central NepalPositive combined disc test for detection of MBL producer by use of EDTA. The test isolate shows a zone diameter of >4 mm around the imipenem-EDTA disc compared to that of the imipenem disc alone.Back to article page