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H. pylori colonization and stomach pH over time. (a) H. pylori colonization was detected by real-time QPCR (filled bars) and culture (open bars) at 2 weeks, 3 months, and 6 months after infection. The means ± standard deviations from groups of 9 to 10 mice are presented. (b) Stomach pHs of infected and naïve mice. Shown here are the mean values ± standard deviations for 9 to 10 infected (•) and naïve (○) mice.
