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Subjects
- Data Collection2
- Humans2
- United States2
- United States. Department of Transportation.[remove]2
- Aged1
- Air Ambulances -- economics1
- Centers for Medicare & Medicaid Services (U.S.)1
- Cost Sharing1
- Disabled Persons -- legislation & jurisprudence1
- Disclosure1
- Fees and Charges1
- Financing, Government1
- Government Programs1
- Government Regulation1
- Insurance Coverage -- economics1
- Interinstitutional Relations1
- Program Evaluation1
- Public Policy1
- Rural Population1
- Transportation -- economics1