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Background and Aim
rdxA and frxA mutations and enhancement of efflux pump have been suggested as the cause of metronidazole resistance in Helicobacter pylori. This study was performed to investigate the resistance mechanisms related to clinical eradication outcome, and to examine direct involvement of hefA in metronidazole‐resistant isolates with intact rdxA and frxA.
Methods
A total of 53 H. pylori...
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