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Fee-for-Service Plans
Survival Analysis
Medicare
Quality of Health Care
Logistic Models
Risk
Cohort Studies
Treatment Outcome
Insurance Selection Bias
Proportional Hazards Models
Health Maintenance Organizations
Washington
California
United States
San Francisco
Oregon
Physician's Practice Patterns
Group Practice, Prepaid
Segmental Mastectomy
Health Services Research
Co-Publications
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2
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