No abstract available
MeSH terms
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Analysis of Variance
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Cardiovascular Surgical Procedures / adverse effects
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Cardiovascular Surgical Procedures / standards*
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Data Interpretation, Statistical*
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Follow-Up Studies
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Heart Diseases / surgery
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Humans
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Patient Selection
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Proportional Hazards Models
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Research Design*
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Risk Factors
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Severity of Illness Index
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Statistics, Nonparametric
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Thoracic Surgery / education
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Thoracic Surgery / standards*
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Time Factors
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Treatment Outcome