| mse | mean square error |
|---|---|
| MSER | mean systolic ejection rate |
| MTBF | mean time between (or before) failures |
| MTD | maximum tolerated dose; mean total dose; metastatic trophoblastic disease; Midwife Teacher's Diploma... |
| MTT | malignant teratoma, trophoblastic; maximal treadmill test; meal tolerance test; mean transit time; m... |