| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
|---|---|
| MDPK | myotonic dystrophy protein kinase |
| MMD | mass median diameter; minimum morbidostatic dose; moyamoya disease; myotonic muscular dystrophy |
| MyD | myotonic dystrophy |
| MyMD | myotonic muscular dystrophy |