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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Aspirin / administration & dosage*
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Atrial Fibrillation / complications*
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Fibrinolytic Agents / administration & dosage*
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Humans
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Stroke / prevention & control*
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Warfarin / administration & dosage*
Substances
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Anticoagulants
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Fibrinolytic Agents
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Warfarin
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Aspirin