| MRFIT | Multiple Risk Factor Intervention Trial |
|---|---|
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| MSA | major serologic antigen; male-specific antigen; mannitol salt agar; Medical Services Administration;... |
| MSAA | multiple sclerosis-associated agent |
| MSD | material safety data; mean square deviation; mild sickle cell disease; most significant digit; multi... |