| IRE | internal rotation in extension; iron-responsive element; isolated rabbit eye |
|---|---|
| IRF | idiopathic retroperitoneal fibrosis; impulse response function; interferon regulatory factor; intern... |
| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| rot | rotating, rotation |