| iRNA | immune ribonucleic acid; informational ribonucleic acid |
|---|---|
| BFB | biological feedback; bronchial foreign body |
| DAF | decay-accelerating factor; delayed auditory feedback; drug-adulterated food |
| EPF | early pregnancy factor; endocarditis parietalis fibroplastica; endothelial proliferating factor; est... |
| FB | fasting blood [sugar]; feedback; fiberoptic bronchoscopy; fingerbreadth; foreign body; Fusobacterium... |