No abstract available
Publication types
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Comparative Study
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Randomized Controlled Trial
MeSH terms
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Equipment Design
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Esophageal and Gastric Varices / etiology
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Esophageal and Gastric Varices / surgery*
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Esophagoscopes*
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Gastrointestinal Hemorrhage / etiology
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Gastrointestinal Hemorrhage / surgery*
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Humans
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Ligation / instrumentation