| BEA | below-elbow amputation; bioelectrical activity; bromoethylamine |
|---|---|
| BEAM | brain electrical activity monitoring |
| BGSA | blood granulocyte-specific activity |
| BPA | blood pressure assembly; bovine plasma albumin; British Paediatric Association; bronchopulmonary asp... |
| BRA | bilateral renal agenesis; bone-resorbing activity; brain-reactive antibody |