| NT | nasotracheal; neotetrazolium; neurotensin; neurotrophic; neutralization test; nicotine tartrate; non... |
|---|---|
| NTP | National Toxicology Program; nitroprusside; normal temperature and pressure; nucleoside triphosphate... |
| NT&P | normal temperature and pressure |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| OTD | oculotrichodysplasia; oral temperature device; organ tolerance dose |