| SHN | spontaneous hemorrhagic necrosis; subacute hepatic necrosis |
|---|---|
| SIA | serum inhibitory activity; stress-induced analgesia; stress-induced anesthesia; subacute infectious ... |
| SMON | subacute myeloopticoneuropathy |
| SNE | sinus node electrogram; subacute necrotizing encephalomyelography |
| SSE | saline solution enema; skin self-examination; soapsuds enema; steady state exercise; subacute spongi... |