| SMS | senior medical student; serial motor seizures; Shared Medical Systems; Smith-Magenis syndrome; somat... |
|---|---|
| SNa | serum sodium concentration |
| SNP | school nurse practitioner; sinus node potential; sodium nitroprusside |
| sod | sodium |
| SRD | service-related disability; Society for the Relief of Distress; Society for the Right to Die; sodium... |