| SFC | soluble fibrin complex; soluble fibrin-fibrinogen complex; spinal fluid count |
|---|---|
| SFL | synovial fluid lymphocyte |
| 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 |