| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
|---|---|
| MSAA | multiple sclerosis-associated agent |
| MSS | Marshall-Smith syndrome; massage; Medical Superintendents' Society; Medicare Statistical System; men... |
| MSSG | multiple sclerosis susceptibility gene |
| NMSS | National Multiple Sclerosis Society |