| NN/LM | National Network of Libraries of Medicine |
|---|---|
| NOS | network operating system; nitric oxide synthetase; non-organ-specific; not on staff; not otherwise s... |
| NREN | National Research and Education Network |
| PCON | Primary Care Organization Network |
| PRN | Physicians Research Network; polyradiculoneuropathy; prion |
| SASB | Structural Analysis of Social Behavior |
|---|---|
| WPSI | Washington Psycho-Social Seizure Inventory |
| the Act | the Social Security Act |