| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |
|---|---|
| MRCP | magnetic resonance cholangiopancreatography |
| MRI | machine-readable identifier; magnetic resonance imaging; medical records information; Medical Resear... |
| MRM | magnetic resonance mammography; modified radical mastectomy |
| MRS | magnetic resonance spectroscopy; Mania Rating Scale; medical receiving station; Melkersson-Rosenthal... |