| IABM | idiopathic aplastic bone marrow |
|---|---|
| LIRBM | liver, iron, red bone marrow |
| MAR | main admissions room; marasmus; marrow; maximal aggregation ratio; medication administration record;... |
| MBLA | methylbenzyl linoleic acid; mouse-specific bone-marrow-derived lymphocyte antigen |
| MIT | Massachusetts Institute of Technology; male impotence test; marrow iron turnover; melodic intonation... |