| BAER | brainstem auditory evoked response |
|---|---|
| BERA | brainstem evoked response audiometry |
| BR | barrier reared [experimental animals]; baseline recovery; bathroom; bed rest; bedside rounds; biliru... |
| BRM | biological response modifier; biuret reactive material |
| BRR | Bannayan-Riley-Ruvalcaba [syndrome]; baroreceptor reflex response; breathing reserve ratio |