No abstract available
MeSH terms
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Gastritis / etiology
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Gastritis / microbiology*
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Helicobacter Infections*
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Helicobacter pylori / pathogenicity
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Humans
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Stomach Neoplasms / etiology
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Stomach Neoplasms / microbiology*
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Stomach Ulcer / etiology
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Stomach Ulcer / microbiology*