1957
2 clinical trials · Start year
| Record | Firm | Date |
|---|---|---|
| High School Football and Adult Health (NCT03914573) | University of Pennsylvania | 1957-01-01 |
| The Effects of Playing High School Football on Later Life Cognitive Functioning and Mental Health (NCT02833129) | University of Pennsylvania | 1957-01-01 |
Track 1957 automatically
Every clearance here is in the API, with alerts when new ones post.