pylori prevalence in Korea showed a trend toward reduction; the H. pylori prevalence rate in those aged ≥ 16 years was 66.9% in 1998, but 59.6% in 2005.
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pylori prevalence in Korea showed a trend toward reduction; the H. pylori prevalence rate in those aged ≥ 16 years was 66.9% in 1998, but 59.6% in 2005.