| FEF50 | forced expiratory flow at 50% of forced vital capacity |
|---|---|
| FIF50 | forced inspiratory flow at 50% of forced vital capacity |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| BF | bentonite flocculation; bile flow; black female; blastogenic factor; blister fluid; blood flow; body... |
| fdg | feeding |