| MDB | medulloblastoma |
|---|---|
| MDBDF | March of Dimes Birth Defect Foundation |
| MDBK | Madin-Darby bovine kidney [cell] |
| MDC | major diagnostic categories; Metoprolol in Dilated Cardiomyography [trial]; minimum detectable concentration; monocyte-depleted mononuclear cell |
| MDCK | Madin-Darby canine kidney |
| MDCR | Miller-Dieker [syndrome] chromosome region |
| MDD | major depressive disorder; mean daily dose |
| MDDS | medical diagnostic decision support [system] |
| MDE | major depressive episode |
| MDEBP | mean daily erect blood pressure |