No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Chronic Disease
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Cross-Sectional Studies
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Duodenal Ulcer / etiology*
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Duodenal Ulcer / microbiology
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Dyspepsia / etiology*
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Dyspepsia / microbiology
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Female
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Gastric Mucosa / microbiology
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Gastritis / etiology
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Gastritis / microbiology
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Helicobacter Infections / complications
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Helicobacter Infections / epidemiology*
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Helicobacter pylori* / isolation & purification
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Humans
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Incidence
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Male
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Middle Aged
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Prospective Studies