No abstract available
MeSH terms
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Aged
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Colonoscopy / methods
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Electrocoagulation / methods*
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Endoscopy
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Female
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Follow-Up Studies
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Gastrointestinal Hemorrhage / etiology
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Gastrointestinal Hemorrhage / therapy*
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Humans
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Intestinal Mucosa / pathology
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Rectal Diseases / complications
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Rectal Diseases / surgery*
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Ulcer / complications
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Ulcer / therapy*