| FIR | far infrared; fold increase in resistance |
|---|---|
| GEF | gastroesophageal fundoplication; glossoepiglottic fold; gonadotropin enhancing factor |
| JF | joint fluid; jugular foramen; junctional fold |
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |
| SF | Sabin-Feldman [test]; safety factor; salt-free; scarlet fever; screen film; seminal fluid; serosal f... |