# Regulations.gov document: Exhibit 3 - 3. Semelka RC, Ramalho M. Coordination chemistry as the governing principle of gadolinium biology: from GBCA design to dissociation, endogenous coordination, and chelation. J Appl Biotechnol Bioeng. 2026;13(4):128-133. doi:10.15406/jabb.2026.13.00427. Exhibit 1. — retained record

> Retained regulations record from regulations-gov.

Canonical: https://highsignal.app/data/records/089b67c11537413f

[← sources](https://highsignal.app/data)


source: [regulations](https://highsignal.app/data/regulations) (regulations-gov)  published 2026-10-05 04:00 ingested 2026-10-06 02:42

[original source ↗](https://www.regulations.gov/document/FDA-2026-P-9677-0060)

## retained text



```
Query: data center
Agency: FDA
Type: Supporting & Related Material
Docket: FDA-2026-P-9677
```



document fetched 2026-10-06 02:42 · canonical https://regulations.gov/document/FDA-2026-P-9677-0060