| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
|---|---|
| OSF | organ system failure; osteoclast-stimulating factor; outer spiral fiber; overgrowth stimulating fact... |
| spir | spiral; spirit |
| SW | seriously wounded; short waves; sinewave; slow wave; soap and water; social worker; spike wave; spir... |
| SXCT | spiral x-ray computed tomography |