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Subjects
- United States303
- United States. Department of Health and Human Services.[remove]303
- United States. Food and Drug Administration.[remove]303
- Humans196
- Clinical Trials as Topic47
- Drug Approval43
- Device Approval33
- Research Design29
- United States.27
- Investigational New Drug Application26
- Device Approval -- standards23
- COVID-1921
- International Cooperation21
- Equipment Safety20
- Product Labeling -- standards19
- Equipment and Supplies -- standards16
- Biological Products15
- Congresses as Topic15
- Europe15
- Japan15