No abstract available
MeSH terms
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Biopsy
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Electrodes
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Esophagitis, Peptic / pathology
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Esophagogastric Junction / pathology
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Esophagoscopy
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Esophagus / cytology
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Esophagus / pathology*
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Gastroesophageal Reflux / pathology*
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Humans
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Hydrogen-Ion Concentration
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Intubation, Gastrointestinal
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Manometry
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Methods