| LSF | linear spread function; lymphocyte-stimulating factor |
|---|---|
| LVF | left ventricular failure; left ventricular function; left visual field; low-voltage fast; low-voltag... |
| MFO | medium frequency oscillator; mixed function oxidase |
| MFT | multifocal atrial tachycardia; muscle function test |
| NRF | Neurosciences Research Foundation; normal renal function |