| LSWA | large amplitude slow wave activity |
|---|---|
| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
| Meg-CSA | megakaryocyte colony-stimulating activity |
| MGSA | malignant growth stimulatory activity |
| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |