| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
|---|---|
| BTB | breakthrough bleeding; bromthymol blue |
| BTBL | bromothymol blue lactose |
| BTS | blood transfusion service; blue toe syndrome; bradycardia-tachycardia syndrome |
| BTV | blue tongue virus |