| IND | indomethacin; industrial medicine; investigational new drug |
|---|---|
| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
| NADA | New Animal Drug Application |
| NCE | negative contrast echocardiography; new chemical entity; nonconvulsive epilepsy |
| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |