# FDA Warning Letter: Maria A. Carballosa, M.D.
> 2025-12-23 · Center for Drug Evaluation and Research (CDER) · `ff4df984b0a89794`
## Letter
- **Company:** Maria A. Carballosa, M.D.
- **Posted Date:** 2025-12-23
- **Letter Issue Date:** 2025-12-12
- **Issuing Office:** Center for Drug Evaluation and Research (CDER)
## Subject
In Vivo Bioavailability-Bioequivalence Studies – Clinical
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*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*