| LPDF | lipoprotein-deficient fraction |
|---|---|
| LVEF | left ventricular ejection fraction |
| molfr | mole fraction |
| NF | nafcillin; National Formulary; nephritic factor; neurofibromatosis; neurofilament; neutral fraction;... |
| NMF | N-methylformamide; National Medical Fellowship; National Migraine Foundation; nonmigrating fraction |