No abstract available
MeSH terms
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Biopsy
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Epithelial Cells
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Gastric Mucosa / cytology
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Gastric Mucosa / pathology
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Gastrointestinal Diseases / pathology*
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Humans
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Intestinal Mucosa / pathology
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Jejunum / cytology
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Metaplasia / pathology
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Microscopy, Electron
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Pylorus / pathology
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Stomach Diseases / pathology*