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Global comparison of the proportion of antimicrobial-resistant Helicobacter pylori strains. Data were obtained from reports published since 2012.45-54 Multidrug-resistant strains were defined as those resistant to at least two antimicrobial agents.
CLA, clarithromycin; AMO, amoxicillin; MET, metronidazole; LEV, levofloxacin; TET, tetracycline; MD, multidrug resistance; ND, no data.
