| NOS | network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise s... |
|---|---|
| NYD | not yet diagnosed; not yet discovered |
| nr | ne repetatur; do not repeat; 반복을 금함 |
| q.n.s. | quantity not sufficiency; 양부족 |
| VSD | Ventricular Septal Defect ? Types of VSD 1. Subpulmonic(=... |