| SDF | slow death factor; stress distribution factor |
|---|---|
| SGF | sarcoma growth factor; skeletal growth factor |
| SMAF | smooth muscle activating factor; specific macrophage arming factor |
| SRF | severe renal failure; skin reactive factor; somatotropin-releasing factor; split renal function; sub... |
| TAF | albumose-free tuberculin [Ger. Tuberculin Albumose frei]; tissue angiogenesis factor; toxin-antitoxi... |