No abstract available
MeSH terms
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Abdominal Pain / etiology
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Dyspepsia / physiopathology
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Gastric Mucosa / pathology
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Gastritis / microbiology
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Gastritis / pathology*
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Gastritis / physiopathology*
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Gastroscopy*
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Helicobacter Infections / physiopathology
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Helicobacter pylori
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Humans