# FDA Warning Letter: Robert J. Hayashi, M.D./Washington University School of Medicine, Department of Pediatrics
> 2023-03-28 · Center for Drug Evaluation and Research | CDER · `db1cdbca474a3c95`
## Letter
- **Company:** Robert J. Hayashi, M.D./Washington University School of Medicine, Department of Pediatrics
- **Posted Date:** 2023-03-28
- **Letter Issue Date:** 2023-03-14
- **Issuing Office:** Center for Drug Evaluation and Research | CDER
## Subject
Bioresearch Monitoring Program/IRB
---
*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*