| PEF | peak expiratory flow; Psychiatric Evaluation Form; pulmonary edema fluid |
|---|---|
| PEFR | peak expiratory flow rate |
| PFR | parotid flow rate; peak flow rate |
| FEF50/FIF50 | ratio of expiratory flow to inspiratory flow at 50% of forced vital capacity |
| MEF | maximal expiratory flow; middle ear fluid; midexpiratory flow; migration enhancement factor; mouse e... |