No abstract available
MeSH terms
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Biopsy / methods*
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Esophageal Neoplasms / pathology
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Esophageal Neoplasms / surgery*
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Esophagoscopy
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Esophagus / pathology
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Humans
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Mucous Membrane / pathology
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Precancerous Conditions / pathology
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Precancerous Conditions / surgery*