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cag pathogenicity island (PAI) integrity was investigated in isolates from multiple biopsies recovered from 40 patients in an attempt to determine the co-existence of a varying cagPAI-positive to(More)
Genomic variations of rdxA and frxA genes in eight pairs of metronidazole (MTZ)-sensitive and -resistant isolates of Helicobacter pylori were investigated. The paired strains from each single biopsy(More)