| LBF | Lactobacillus bulgaricus factor; limb blood flow; liver blood flow |
|---|---|
| MFR | mean flow rate; mucus flow rate |
| MIF | macrophage inhibitory factor; melanocyte[-stimulating hormone]-inhibiting factor; maximum inspirator... |
| PFR | parotid flow rate; peak flow rate |
| RBF | regional blood flow; regional bone mass; renal blood flow |