No abstract available
MeSH terms
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Adult
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Age Factors
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Gastric Mucosa / pathology*
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Gastritis, Atrophic / epidemiology
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Gastritis, Atrophic / microbiology
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Gastritis, Atrophic / pathology
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Gastroscopy*
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Helicobacter Infections / epidemiology*
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Helicobacter Infections / pathology*
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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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Stomach Neoplasms / epidemiology
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Stomach Neoplasms / microbiology