| BFE | blood flow energy |
|---|---|
| BFR | biologic false reaction; blood flow rate; bone formation rate; buffered Ringer [solution] |
| CFC | capillary filtration coefficient; colony-forming capacity; cardiofaciocutaneous [syndrome]; chlorofl... |
| CFR | case-fatality ratio; citrovorum-factor rescue; Code of Federal Regulations; complement-fixation reac... |
| CFV | continuous flow ventilation |