| EMC | electromagnetic compatibility; electron microscopy; emergency medical care; emergency medical coordi... |
|---|---|
| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
| MAR | main admissions room; marasmus; marrow; maximal aggregation ratio; medication administration record;... |
| MAVD | mixed aortic valve disease |
| MBT | mercaptobenzothiazole; mixed bacterial toxin; myeloblastin |