| MRA | MR Angiography |
|---|---|
| MRA | Magnetic Resonance Angiogram |
| MRA | Magnetic Resonance Angiography |
| MRA | Malignant rheumatoid arthritis |
| MRA | Mesenteric resistance arteries |
| MRA | Multiple regression analyses |
| MRA | marrow repopulating ability |
| MRAP | Mean right atrial pressure |