| BF | bentonite flocculation; bile flow; black female; blastogenic factor; blister fluid; blood flow; body... |
|---|---|
| bf | black female; bouillon filtrate [tuberculin] |
| B/F | black female; bound/free [antigen ratio] |
| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
| Bl | black |