| BAPN | beta-aminoproprionitrile fumarate |
|---|---|
| BAPP | beta amyloid precursor protein |
| BAR | bariatrics; barometer, barometric; beta-adrenergic receptor |
| BARK | beta-adrenergic receptor kinase |
| BAS | balloon atrial septostomy; benzyl anti-serotinin; beta-adrenergic stimulation; boric acid solution |