| SLIP | serial line interface protocol |
|---|---|
| SMS | senior medical student; serial motor seizures; Shared Medical Systems; Smith-Magenis syndrome; somat... |
| SPR | sepiapterin reductase; serial probe recognition; specific pathogen free; Society for Pediatric Radio... |
| STT | scaphotrapeziotrapezoid [joint]; serial thrombin time; skin temperature test |
| USI | universal serial interface; urinary stress incontinence |