No abstract available
MeSH terms
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Adult
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Aged
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Anti-Bacterial Agents / therapeutic use
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China / epidemiology
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Female
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Follow-Up Studies
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Gastritis / complications
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Gastritis / drug therapy*
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Helicobacter Infections / complications
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Helicobacter Infections / drug therapy*
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Helicobacter pylori*
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Humans
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Male
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Middle Aged
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Stomach Neoplasms / epidemiology*
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Stomach Neoplasms / etiology
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Stomach Neoplasms / prevention & control*
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Time Factors