No abstract available
MeSH terms
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Coronary Care Units* / history
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Coronary Care Units* / methods
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Disease Management
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Emergency Medical Services / history
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History, 20th Century
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Hospitalization / trends
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Humans
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Myocardial Infarction* / history
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Myocardial Infarction* / therapy
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Transportation of Patients* / history
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Transportation of Patients* / methods