| NHA | National Health Association; National Hearing Association; National Hemophilia Association; nonspeci... |
|---|---|
| NND | neonatal death; New and Nonofficial Drugs; nonspecific nonerosive duodenitis |
| NNG | nonspecific nonerosive gastritis |
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |
| ns | nanosecond; nonspecific; no sequelae; no specimen; not significant; nylon suture |