| MDMU | medical devices for military use |
|---|---|
| NES | not elsewhere specified |
| NOS | network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise s... |
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |
| SMDA | Safe Medical Devices Act [of 1990]; starch methylenedianiline |