| BFL | bird fancier's lung; Borjeson-Forssman-Lehman [syndrome] |
|---|---|
| BFLS | Borjeson-Forssman-Lehmann syndrome |
| BFO | balanced forearm orthosis; ball-bearing forearm orthosis; blood-forming organ |
| BFP | biologic false-positive |
| BFPR | biologic false-positive reaction |
| BFPSTS | biologic false-positive serological test for syphilis |
| BFR | biologic false reaction; blood flow rate; bone formation rate; buffered Ringer [solution] |
| BFS | blood fasting sugar |
| BFT | bentonite flocculation test; biofeedback training |
| BFU | burst-forming unit |