| PSI | posterior sagittal index; problem solving information; prostaglandin synthetic inhibitor; psychologi... |
|---|---|
| sag | sagittal |
| SSS | scalded skin syndrome; secondary Sjogren syndrome; sick sinus syndrome; specific soluble substance; ... |
| SSST | superior sagittal sinus thrombosis |
| SSSV | superior sagittal sinus velocity |