No abstract available
Publication types
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Practice Guideline
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Review
MeSH terms
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Algorithms*
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Gastrointestinal Hemorrhage / diagnosis*
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Gastrointestinal Hemorrhage / epidemiology
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Gastrointestinal Hemorrhage / etiology
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Humans
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Rectal Diseases / diagnosis*
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Rectal Diseases / epidemiology
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Rectal Diseases / etiology