No abstract available
MeSH terms
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Adrenergic beta-Antagonists / administration & dosage*
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Cardiac Care Facilities / statistics & numerical data*
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Emergency Medical Services / statistics & numerical data*
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Female
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Humans
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Male
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Myocardial Infarction / drug therapy*
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Myocardial Infarction / mortality*
Substances
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Adrenergic beta-Antagonists