| NMR | neonatal mortality rate; nictitating membrane response; nuclear magnetic resonance |
|---|---|
| NN | neonatal; nevocellular nevus; normally nourished; normal nutrition; nurse's notes |
| NNAS | neonatal narcotic abstinence syndrome |
| NND | neonatal death; New and Nonofficial Drugs; nonspecific nonerosive duodenitis |
| NNE | neonatal necrotizing enterocolitis; nonneuronal enolase |