| FIR | far infrared; fold increase in resistance |
|---|---|
| GEF | gastroesophageal fundoplication; glossoepiglottic fold; gonadotropin enhancing factor |
| JF | joint fluid; jugular foramen; junctional fold |
| PFT | pancreatic function test; parafascicular thalamotomy; posterior fossa tumor; prednisone, fluorouraci... |
| FO | Fossa(Foramen) Ovale |