| SSR | solar simulated radiation |
|---|---|
| SSR | spinal stretch reflex |
| SSRI | Selective Serotonin Reuptake Inhibitor |
| SSRI | serotonin selective reuptake inhibiter |
| SSRI | Serotonin-specific reuptake inhibitor |
| SSRI | Specific serotonin re-uptake inhibitors |
| ssRNA | Single-stranded RNA |
| SSRO | Sagittal split ramus osteotomy |
| SSS | Salt Sugar Solution |
| SSS | Sandinavian Stroke Scale |