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. 2016 Mar 15;8:8. doi: 10.1186/s13099-016-0091-7

Fig. 6.

Fig. 6

Prevalence estimates of Helicobacter pylori infection over time in US studies, according to ethnicity (numbers by data points indicate source reference citations). Note: sample size was not reported for reference 44 and data from this study are therefore not included in weighted mean prevalences