| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
|---|---|
| NDIR | nondispersive infrared analyzer |
| NIR | near infrared |
| NIRS | near-infrared spectroscopy; normal inactivated rabbit serum |
| NIS | nationwide impatient sample; near-infrared intracranial spectroscopy; N-iodosuccinimide; no inflamma... |