| 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 |
| BRAC | basic rest-activity cycle |
| CDA | Canadian Dental Association; Certified Dental Assistant; chenodeoxycholic acid; ciliary dyskinesia a... |