| MAR | main admissions room; marasmus; marrow; maximal aggregation ratio; medication administration record;... |
|---|---|
| MAS | magic angle spinning; Manifest Anxiety Scale; maximum average score; McCune-Albright syndrome; mecon... |
| NAG | N-acetyl-D-glucosaminidase; narrow-angle glaucoma; nonagglutinable |
| OAG | open angle glaucoma |
| PASA | para-aminosalicylic acid; primary acquired sideroblastic anemia; proximal articular set angle |