| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
|---|---|
| STF | serum thymus factor; slow-twitch fiber; special tube feeding; specialized treatment center; stefin; ... |
| TF | free thyroxine; tactile fremitus; tail flick [reflex]; temperature factor; testicular feminization; ... |