| FM | face mask; facilities management; family medicine; feedback mechanism; fetal movement; fibromuscular... |
|---|---|
| NBM | no bowel movement; normal bone marrow; normal bowel movement; nothing by mouth |
| FEF | Forced Expiratory Flow |
| FEF25-75% | Forced Expiratory Flow from 25 to 75 % of the vital capacity |
| FEV | Forced Expiratory Volume |