| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |
|---|---|
| WAF | weakness, atrophy and fasciculation; white adult female |
| WF | Weil-Felix reaction; white female; Wistar-Furth [rat] |
| W/F, | wf white female |
| WNF | well-nourished female |