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Subjects
- United States320
- United States. Food and Drug Administration.[remove]320
- United States. Department of Health and Human Services.302
- Humans210
- Drug Approval49
- Clinical Trials as Topic47
- Device Approval33
- Research Design29
- Investigational New Drug Application28
- United States.28
- Device Approval -- standards24
- COVID-1921
- Equipment Safety21
- International Cooperation21
- Product Labeling -- standards19
- Equipment and Supplies -- standards16
- Biological Products15
- Congresses as Topic15
- Europe15
- Japan15