| FEV1 | forced expiratory volume1 |
|---|---|
| FEV1 | Forced Expiratory Volume at 1 second |
| FEV1 | Forced Expiratory Volume at one second |
| FEV1 | Forced Expiratory Volume in 1 sec |
| FEV1 | Forced expiratory volumes in 1 second |
| FEV1 | Forced Expired Volume in one second |
| FEV1 | Forced expiratory volume at 1 s |
| FEV1 | Forced expired volume in 1 s |
| FEV1.0 | Forced Expiratory Volume in one second |
| FEV1.0 | Forced expiratory volume in 1 s |
| PC20 | provocative concentration causing 20% fall in FEV1 |
|---|