| NDS | Naval Dental School; neurologic deficit score; new drug submission; normal dog serum |
|---|---|
| NEJM | New England Journal of Medicine |
| NG | nasogastric; neoplastic growth; new growth; nitroglycerin; nodose ganglion; no growth; not given |
| nn | nerves; new name [Lat. nomen novum] |
| NND | neonatal death; New and Nonofficial Drugs; nonspecific nonerosive duodenitis |