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Subjects
- Uncompensated Care -- statistics & numerical data1
- Undocumented Immigrants1
- Undocumented Immigrants -- legislation & jurisprudence1
- United States44
- United States.16
- United States. Department of Health and Human Services.8
- United States. Department of Homeland Security.2
- United States. Indian Health Service.1
- Universal Health Insurance -- legislation & jurisprudence1
- Universal Health Insurance -- organization & administration1