| SND | sinus node dysfunction; striatonigral degeneration |
|---|---|
| SNE | sinus node electrogram; subacute necrotizing encephalomyelography |
| SNF | sinus node formation; skilled nursing facility |
| SNP | school nurse practitioner; sinus node potential; sodium nitroprusside |
| SNRT | sinus node recovery time |
| RLNL | regional lymph node lymphocytes |
|---|---|
| RLND | retroperitoneal lymph node dissection |