| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
|---|---|
| NAND | not-and |
| nc | nanocurie; not counted |
| NCD | National Commission on Diabetes; National Council on Drugs; neurocirculatory dystonia; nitrogen clea... |
| N/D | no defects; not done |