| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
|---|---|
| IVRT | isovolumic relaxation time |
| LR | labeled release; laboratory references; laboratory report; labor room; lactated Ringer [solution]; l... |
| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
| NMRD | nuclear magnetic relaxation dispersion |