| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
|---|---|
| BTCG | Brain Tumor Cooperative Group |
| BTSG | Brain Tumor Study Group |
| BUI | brain uptake index |
| CBS | cervicobrachial syndrome; chronic brain syndrome; clinical behavioral science; conjugated bile salts... |