| MEST | Medical Equipment Technical Society |
|---|---|
| MRS | magnetic resonance spectroscopy; Mania Rating Scale; medical receiving station; Melkersson-Rosenthal... |
| MTA | malignant teratoma, anaplastic; medical technical assistant; medical technology assessment; metatars... |
| NTIS | National Technical Information Service |
| RWS | radiology work station; ragweed sensitivity |