| 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 |
| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |
| TFI | thoracic fluid index |