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Subjects
- United States[remove]337
- United States. Food and Drug Administration.[remove]337
- United States. Department of Health and Human Services.303
- Humans224
- Drug Approval51
- Clinical Trials as Topic48
- Device Approval35
- Research Design29
- United States.29
- Investigational New Drug Application28
- Equipment Safety25
- Device Approval -- standards24
- COVID-1921
- International Cooperation21
- Product Labeling -- standards19
- Equipment and Supplies -- standards16
- Biological Products15
- Congresses as Topic15
- Drugs, Investigational15
- Europe15