No abstract available
Publication types
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Comparative Study
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Letter
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Comment
MeSH terms
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Age Factors
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Aged
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Helicobacter Infections / complications*
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Helicobacter Infections / epidemiology
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Helicobacter pylori / physiology*
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Humans
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Retrospective Studies
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Stomach Neoplasms / epidemiology
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Stomach Neoplasms / etiology*
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Stomach Neoplasms / microbiology