| SME | severe myoclonic epilepsy |
|---|---|
| SMEI | severe myoclonic epilepsy of infancy |
| SPERM | spastic paraplegia-epilepsy-mental retardation [syndrome] |
| TLE | temporal lobe epilepsy; thin-layer electrophoresis; total lipid extract |
| aPTT | activated Partial Thromboplastin Time |