| SIDS | sudden infant death syndrome; sulfo-iduronate sulfatase |
|---|---|
| SSD | shaded surface display; single saturating dose; Social Security disability; source-skin distance; so... |
| SSIDS | sibling of sudden infant death syndrome [victim] |
| SSNHL | sudden sensorineural hearing loss |
| STF | serum thymus factor; slow-twitch fiber; special tube feeding; specialized treatment center; stefin; ... |