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Subjects
- United States167
- Humans119
- United States. Department of Health and Human Services.83
- United States. Food and Drug Administration.76
- Government Regulation23
- United States.19
- State Government16
- Clinical Trials as Topic15
- Centers for Medicare & Medicaid Services (U.S.)14
- Research Design14
- Device Approval -- standards13
- Child12
- Device Approval11
- Drug Approval11
- Safety11
- Forecasting10
- Medicaid9
- Equipment Safety8
- Medicare -- economics8
- Adolescent7