| 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 |
| PMR | patient meta-record; perinatal mortality rate; periodic medical review; physical medicine and rehabi... |