| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |
|---|---|
| MRAS | main renal artery stenosis |
| MRBF | mean renal blood flow |
| MRD | maximum rate of depolarization; measles-rindenpest-distemper [virus group]; medical records departme... |
| MRF | Markov random field; medical record file; melanocyte-[stimulating hormone]-releasing factor; mesence... |