| 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... |
| NED | no evidence of disease; no expiration date; normal equivalent deviation |
| NSD | Nairobi sheep disease; neonatal staphylococcal disease; neurosecretory dysfunction; night sleep depr... |