| AST | allergy serum transfer; angiotensin sensitivity test; anterior spinothalamic tract; antistreptolysin... |
|---|---|
| BASH | body acceleration synchronous with heart rate |
| BHR | basal heart rate; benign hypertrophic prostatitis; bronchial hyperreactivity |
| BIL/ALB | bilirubin/albumin [rate] |
| BIR | basic incidence rate; British Institute of Radiology |