| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
|---|---|
| FRE | Fischer rat embryo; flow-related enhancement |
| FVL | femoral vein ligation; flow volume loop; force, velocity, length |
| GCVF | great cardiac vein flow |
| GMBF | gastric mucosa blood flow |