| BSEP | brain stem evoked potential |
|---|---|
| BSER | brain stem evoked response [audiometry] |
| BSR | basal skin resistance; blood sedimentation rate; bowel sounds regular; brain stimulation reinforceme... |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| BTCG | Brain Tumor Cooperative Group |