| BFPR | biologic false-positive reaction |
|---|---|
| BFPSTS | biologic false-positive serological test for syphilis |
| BFR | biologic false reaction; blood flow rate; bone formation rate; buffered Ringer [solution] |
| BR | barrier reared [experimental animals]; baseline recovery; bathroom; bed rest; bedside rounds; biliru... |
| CBER | Center for Biologic Evaluation and Research |