| MAST | military antishock trousers; Michigan Alcohol Screening Test |
|---|---|
| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |
| MHS | major histocompatibility system; malignant hyperthermia in swine; malignant hyperthermia syndrome; m... |
| MMS | mass mammographic screening; Master of Medical Science; methyl methanesulfonate; Mini-Mental State |
| MPS | meconium plug syndrome; medial premotor system; Member of the Pharmaceutical Society; microbial prof... |