No abstract available
MeSH terms
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Adult
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Aged
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Digestive System Diseases / diagnosis*
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Digestive System Diseases / etiology
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Emergencies
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Endoscopy
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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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Hypertension, Portal / complications*
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Male
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Middle Aged