| MMD | mass median diameter; minimum morbidostatic dose; moyamoya disease; myotonic muscular dystrophy |
|---|---|
| MMS | mass mammographic screening; Master of Medical Science; methyl methanesulfonate; Mini-Mental State |
| Mr | relative molecular mass |
| m/r | mass attenuation coefficient |
| MRU | mass radiography unit; minimal reproductive unit |
| MS | Mass-spectroscopy |
|---|---|
| MASS | Massachusetts |
| MALDIMS | Matrix Assisted Laser Desorption Ionisation Mass Spectrometry |
| MALDI-TOF MS | Matrix Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry |
| MALDI-TOF | Matrix-assisted laser desorption ionization time-of-flight mass spectrometry |