| FHF | fetal heart frequency; fulminant hepatic failure |
|---|---|
| FM | face mask; facilities management; family medicine; feedback mechanism; fetal movement; fibromuscular... |
| Fmed | median frequency |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| Fr | fracture; francium; franklin [unit charge]; French; frequency or frequent |