| NSA | Neurological Society of America; normal serum albumin; no salt added; no significant abnormality; no significant anomaly; number of signals averaged |
|---|---|
| nsa | no salt added |
| NSABP | National Surgical Adjuvant Breast Project |
| NSAD | no signs of acute disease |
| NSAE | nonsupported arm exercise |
| NSAI | nonsteroidal anti-inflammatory [drug] |
| NSAIA | nonsteroidal anti-inflammatory agent |
| NSAID | Non-Steroidal Anti-Inflammatory Drugs |
| NSAID | nonsteroidal anti-inflammatory drug |
| NSAM | Naval School of Aviation Medicine |