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Diagnosis-Related Groups
Length of Stay
Socioeconomic Factors
Prospective Payment System
Medicare
Quality of Health Care
Retrospective Studies
Risk Factors
Regression Analysis
United States
Michigan
Physician's Practice Patterns
Hospitals
Hospitals, University
Health Services Research
Ancillary Services, Hospital
Patient Discharge
Utilization Review
Hospitalization
Patient Readmission
Co-Publications
11
9
6
4
3
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