| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
|---|---|
| MDD | major depressive disorder; mean daily dose |
| MDE | major depressive episode |
| MDI | manic-depressive illness; metered dose inhaler; multiple daily injection; Multiscore Depression Inve... |
| SADD | Short-Alcohol Dependence Data [questionnaire]; standardized assessment of depressive disorders; Stud... |