| LBF | Lactobacillus bulgaricus factor; limb blood flow; liver blood flow |
|---|---|
| MEF | maximal expiratory flow; middle ear fluid; midexpiratory flow; migration enhancement factor; mouse e... |
| MFR | mean flow rate; mucus flow rate |
| MIF | macrophage inhibitory factor; melanocyte[-stimulating hormone]-inhibiting factor; maximum inspirator... |
| MMF | maxillomandibular fixation; maximum midexpiratory flow; mean maximum flow; Member of the Medical Fac... |