| MRFT | modified rapid fermentation test |
|---|---|
| MRM | magnetic resonance mammography; modified radical mastectomy |
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| 3MS | modified mini-mental state examination |
| MSF | macrophage slowing factor; macrophage spreading factor; Medicins sans Frontieres [Doctors without Bo... |