| AST | allergy serum transfer; angiotensin sensitivity test; anterior spinothalamic tract; antistreptolysin... |
|---|---|
| BAS | balloon atrial septostomy; benzyl anti-serotinin; beta-adrenergic stimulation; boric acid solution |
| BSR | basal skin resistance; blood sedimentation rate; bowel sounds regular; brain stimulation reinforceme... |
| CCS | Canadian Cardiovascular Society; casualty clearing station; cell cycle specific; cholecystosonograph... |
| CMS | children's medical services; Christian Medical Society; chronic myelodysplastic syndrome; chromosome... |