No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Duodenal Diseases / diagnosis*
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Endoscopy*
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Esophageal Diseases / diagnosis*
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Esophageal and Gastric Varices / complications
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Esophageal and Gastric Varices / diagnosis
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Female
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Fiber Optic Technology
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Gastrointestinal Hemorrhage / diagnosis*
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Gastrointestinal Hemorrhage / etiology
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Humans
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Male
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Melena / diagnosis*
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Melena / etiology
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Middle Aged
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Peptic Ulcer / complications
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Peptic Ulcer / diagnosis
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Stomach Diseases / diagnosis*