| FF | degree of fineness of abrasive particles; fat-free; father factor; fecal frequency; fertility factor... |
|---|---|
| FFIT | fluorescent focus inhibition test |
| FGT | fluorescent gonorrhea test |
| FIA | fistula in ano; fluorescent immunoassay; focal immunoassay; Freund incomplete adjuvant |
| fl | femtoliter; filtered load; flexion, flexible; fluorescent; flow; fluid; flutter; foot lambert |