No abstract available
MeSH terms
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Adolescent
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Adult
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Esophageal Diseases / etiology*
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Esophageal and Gastric Varices / prevention & control*
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Esophagoscopy / adverse effects
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Female
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Gastrointestinal Hemorrhage / etiology*
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Humans
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Ligation / adverse effects
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Male
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Middle Aged
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Ulcer / etiology*
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Young Adult