No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Aging
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Biopsy
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Child
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Female
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Fiber Optic Technology
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Gastritis / etiology
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Gastritis / pathology
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Gastroscopy
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Humans
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Male
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Middle Aged
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Pyloric Antrum / pathology
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Pylorus / pathology*
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Stomach / pathology*