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Health Maintenance Organizations
United States
Michigan
Cohort Studies
Retrospective Studies
Practice Guidelines as Topic
Socioeconomic Factors
Proportional Hazards Models
Registries
Cross-Sectional Studies
Colorectal Neoplasms
Diabetes Mellitus
Ambulatory Care
Insurance Claim Review
Drug Monitoring
Mass Screening
Guideline Adherence
Patient Compliance
Physician's Practice Patterns
African Americans
Co-Publications
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