Helicobacter pylori resistance to metronidazole was detected in 107 (52.97%) of 202 strains. Twenty (9.85%) strains, 18 of them harboring 23S ribosomal DNA mutations, were resistant to clarithromycin. Metronidazole resistance was associated with female gender. Resistance to metronidazole and resistance to clarithromycin were associated. Increasing clarithromycin resistance rates were observed over time.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC127243 | PMC |
| http://dx.doi.org/10.1128/AAC.46.6.2021-2023.2002 | DOI Listing |
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