| 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 |
| BSER | brain stem evoked response [audiometry] |
| CAR | Canadian Association of Radiologists; cancer-associated retinopathy; cardiac ambulation routine; cel... |