| LAD-MIN | left axis deviation, minimal |
|---|---|
| MD | Doctor of Medicine [Lat. Medicinae Doctor]; magnesium deficiency; main duct; maintenance dose; major... |
| MDA | malondialdehyde; manual dilation of anus; methylene dianiline; 3,4-methylenedioxyamphetamine; minima... |
| MDQ | memory deviation quotient; Menstrual Distress Questionnaire; minimum detectable quantity |
| MSD | material safety data; mean square deviation; mild sickle cell disease; most significant digit; multi... |