| IF test | Immuno-Fluorescence test |
|---|---|
| IFA | Immuno-Fluorescence Antibody Test(= Assay) |
| FACS | Fellow of the American College of Surgeons; fluorescence-activated cell sorter |
| FFC | fixed flexion contracture; fluorescence flow cytometry; free from chlorine |
| FIF | feedback inhibition factor; fibroblast interferon; forced inspiratory flow; formaldehyde-induced flu... |