| FIF | feedback inhibition factor; fibroblast interferon; forced inspiratory flow; formaldehyde-induced flu... |
|---|---|
| FPHE | formaldehyde-treated pyruvaldehyde-stabilized human erythrocytes |
| LRF | latex and resorcinol formaldehyde; liver residue factor; luteinizing hormone-releasing factor |
| MIF | macrophage inhibitory factor; melanocyte[-stimulating hormone]-inhibiting factor; maximum inspirator... |
| MIFC | merthiolate-iodine-formaldehyde concentration |