| 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 |
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |