| MEFR | maximal expiratory flow rate |
|---|---|
| MEFV | maximal expiratory flow volume |
| MEP | maximum expiratory pressure; mean effective pressure; mepiridine; mitochondrial encephalopathy; moto... |
| NEEP | negative end-expiratory pressure |
| NEP | negative expiratory pressure; nephrology; neutral endopeptidase; no evidence of pathology |