| AXF | advanced x-ray facility |
|---|---|
| CTF | cancer therapy facility; certificate; Colorado tick fever; cytotoxic factor |
| ECF | effective capillary flow; eosinophilic chemotactic factor; erythroid colony formation; extended care... |
| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
| fac | facility; to make [Lat. facere] |