| IEM | immuno-electron microscopy; inborn error of metabolism |
|---|---|
| MPE | malignant proliferation of eosinophils; maximum permissible exposure; maximum possible error; Medica... |
| MSA | major serologic antigen; male-specific antigen; mannitol salt agar; Medical Services Administration;... |
| mse | mean square error |
| MSS | Marshall-Smith syndrome; massage; Medical Superintendents' Society; Medicare Statistical System; men... |