| 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 |
| PVT | paroxysmal ventricular tachycardia; portal vein thrombosis; pressure, volume, and temperature; priva... |