| MID | maximum inhibiting dilution; mesioincisodistal; midinfarct dementia; minimum infective dose; minimum... |
|---|---|
| MSIS | multi-state information system |
| MUMPS | Massachusetts General Hospital Utility Multi-Programming System |
| LASER | Light Amplication by Stimulated Emission of Radiation |
| BSSE | bile salt-stimulated esterase |