No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Anticoagulants / administration & dosage
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Anticoagulants / adverse effects
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Colonic Polyps / surgery
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Colonoscopy / adverse effects*
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Colonoscopy / methods
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Female
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Follow-Up Studies
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Gastrointestinal Hemorrhage / epidemiology
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Gastrointestinal Hemorrhage / etiology*
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Humans
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Male
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Middle Aged
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Retrospective Studies
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Time Factors
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Warfarin / administration & dosage
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Warfarin / adverse effects*