| BAQ | brain-age quotient |
|---|---|
| BAR | bariatrics; barometer, barometric; beta-adrenergic receptor |
| bar | barometric |
| Barb, barb | barbiturate, barbituric |
| BARK | beta-adrenergic receptor kinase |
| BARN | bilateral acute retinal necrosis |
| BARS | behaviorally anchored rating scale |
| BART | blood-activated recalcification time |
| BAS | Balloon Atrio-Septostomy |
| BAS | balloon atrial septostomy; benzyl anti-serotinin; beta-adrenergic stimulation; boric acid solution |