| IRP | immunoreactive plasma; immunoreactive proinsulin; incus replacement prosthesis; insulin-releasing po... |
|---|---|
| IRI | immunoreactive insulin; insulin resistance index |
| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| IRG | immunoreactive gastrin; immunoreactive glucagon |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |