| FFS | Flexible Fiberoptic Sigmoidoscopy |
|---|---|
| ASGE | American Society for Gastrointestinal Endoscopy |
| EN | endoscopy; enrolled nurse; enteral nutrition; epidemic nephritis; erythema nodosum |
| endo | endoscopy |
| FB | fasting blood [sugar]; feedback; fiberoptic bronchoscopy; fingerbreadth; foreign body; Fusobacterium... |