No abstract available
Publication types
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Guideline
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Practice Guideline
MeSH terms
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Anemia, Pernicious / diagnosis
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Barrett Esophagus / diagnosis
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Esophageal Achalasia / diagnosis
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Esophageal Neoplasms / diagnosis*
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Esophagoscopy*
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Gastroscopy*
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Humans
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Polyps / diagnosis
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Postoperative Care
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Precancerous Conditions / diagnosis*
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Stomach Neoplasms / diagnosis*