No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Endoscopy, Gastrointestinal*
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Gastrointestinal Hemorrhage / diagnosis*
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Gastrointestinal Hemorrhage / therapy*
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Guidelines as Topic
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Humans
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Middle Aged
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Risk Assessment
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Severity of Illness Index
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Upper Gastrointestinal Tract*