| MRT | magnetic resonance tomography; maximum relaxation time; median range score; median reaction time; me... |
|---|---|
| MED | median erythrocyte diameter; medical, medication, medicine; Medical Entities Dictionary; minimum eff... |
| ID | identification; iditol dehydrogenase; immunodeficiency; immunodiffusion; immunoglobulin deficiency; ... |
| MEC | median effective concentration; middle ear canal; middle ear cell; minimum effective concentration |
| ED50 | median effective dose |