Cecilia Valeria Pérez

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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)
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)