No abstract available
MeSH terms
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Age Factors
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Chronic Disease
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Gastritis, Atrophic / epidemiology*
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Gastritis, Atrophic / microbiology
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Helicobacter Infections / drug therapy
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Helicobacter Infections / epidemiology*
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Helicobacter pylori*
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Humans
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Japan / epidemiology
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Peptic Ulcer / epidemiology*
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Peptic Ulcer / microbiology
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Recurrence
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Stomach Neoplasms / epidemiology*
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Stomach Neoplasms / microbiology