| BRA | bilateral renal agenesis; bone-resorbing activity; brain-reactive antibody |
|---|---|
| BSEP | brain stem evoked potential |
| BSER | brain stem evoked response [audiometry] |
| BSR | basal skin resistance; blood sedimentation rate; bowel sounds regular; brain stimulation reinforceme... |
| BTCG | Brain Tumor Cooperative Group |