Prevalence and risk factors of Helicobacter pylori infection in Korea: nationwide multicenter study over 13 years.

BMC Gastroenterol · 2013 · PMC3702482 · PMID 23800201

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a decreasing trendno p-value reported

Conclusions A decreasing trend of H . pylori seroprevalence due to a birth cohort effect requires further studies on its related human host factors as well as socio-economic and hygienic factors.

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