| SFP | screen filtration pressure; simultaneous foveal perception; spinal fluid pressure; stopped flow pres... |
|---|---|
| SPF | skin protection factor; specific-pathogen free; spectrophotofluorometer; S-phase fraction; split pro... |
| Sp | Fl, sp fl spinal fluid |
| SRF | severe renal failure; skin reactive factor; somatotropin-releasing factor; split renal function; sub... |
| TAAF | thromboplastic activity of the amniotic fluid |