No abstract available
MeSH terms
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Coronary Artery Bypass / methods*
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Coronary Artery Bypass / mortality
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Coronary Disease / mortality
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Coronary Disease / surgery*
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Humans
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Intra-Aortic Balloon Pumping / methods*
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Postoperative Complications / prevention & control
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Preoperative Care / methods
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Risk Assessment
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Severity of Illness Index
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Survival Rate
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Treatment Outcome