| MDF | mean dominant frequency; myocardial depressant factor |
|---|---|
| MFO | medium frequency oscillator; mixed function oxidase |
| MPF | maturation promoting factor; mean power frequency |
| n | Greek letter nu; degrees of freedom; frequency; kinematic velocity; neutrino |
| OIF | observed intrinsic frequency; oil immersion field; Osteogenesis Imperfecta Foundation |