No abstract available
MeSH terms
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Administration, Oral
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Adrenergic beta-Antagonists / administration & dosage
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Adrenergic beta-Antagonists / therapeutic use*
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Arrhythmias, Cardiac / prevention & control*
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Humans
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Myocardial Infarction / drug therapy
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Time Factors
Substances
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Adrenergic beta-Antagonists