| NDA | National Dental Association; New Drug Application; no data available; no detectable activity; no det... |
|---|---|
| NDF | neutrophil diffraction factor; new dosage form |
| 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 |