No abstract available
MeSH terms
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Aged, 80 and over
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Equipment Design
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Esophagoscopy / methods*
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Esophagus / blood supply
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Follow-Up Studies
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Gastrointestinal Hemorrhage / surgery*
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Hemostasis, Endoscopic / methods*
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Humans
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Male
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Surgical Instruments*
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Ulcer / surgery*
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Zenker Diverticulum / diagnosis
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Zenker Diverticulum / surgery*