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Subjects
- Economic Competition2
- Health Care Costs -- statistics & numerical data2
- Health Services -- utilization2
- Humans2
- Models, Econometric[remove]2
- United States2
- Adolescent1
- Adult1
- Health Benefit Plans, Employee1
- Health Care Sector -- economics1
- Health Care Sector -- statistics & numerical data1
- Health Resources -- utilization1
- Health Status1
- Heath Care Sector -- economics1
- Middle Aged1