No abstract available
MeSH terms
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Biopsy*
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Capillaries / pathology
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Epithelium / pathology
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Erythema / etiology
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Esophageal Neoplasms / etiology
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Esophagitis / diagnosis*
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Esophagitis / epidemiology
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Esophagitis, Peptic / etiology
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Esophagoscopes*
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Esophagus / pathology
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Fiber Optic Technology*
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Humans
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Leukoplakia / etiology
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Mucous Membrane / pathology