| NAD+ | the oxidized form of NAD |
|---|---|
| NADP+ | oxidized form of nicotinamide adenine dinucleotide phosphate |
| NDF | neutrophil diffraction factor; new dosage form |
| PAF | paroxysmal atrial fibrillation; peroxisomal assembly factor; phosphodiesterase-activating factor; pl... |
| PDGS | partial form of DiGeorge syndrome |