No abstract available
MeSH terms
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Aged
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Anti-Arrhythmia Agents / therapeutic use
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Anticoagulants / therapeutic use
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Atrial Fibrillation / therapy*
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Electric Countershock
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Electrocardiography
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Humans
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Male
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Metoprolol / therapeutic use
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Warfarin / therapeutic use
Substances
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Anti-Arrhythmia Agents
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Anticoagulants
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Warfarin
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Metoprolol