| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
|---|---|
| bl | black; blood, bleeding; blue |
| BLT | bleeding time; blood-clot lysis time; blood test |
| BlT | bleeding time; blood test; blood type, blood typing |
| Blx | bleeding time |