No abstract available
MeSH terms
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Acute Disease
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Chronic Disease
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Gastritis / classification*
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Gastritis / microbiology
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Gastritis / pathology
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Gastritis, Atrophic / classification
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Gastritis, Atrophic / pathology
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Helicobacter Infections / microbiology
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Helicobacter pylori / isolation & purification
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Humans