| GRAE | generally regarded as effective |
|---|---|
| LEP | lethal effective phase; lipoprotein electrophoresis; low egg passage; lower esophagus |
| LEPN | effective perceived noise level |
| MEP | maximum expiratory pressure; mean effective pressure; mepiridine; mitochondrial encephalopathy; moto... |
| T2* | effective transverse relaxation time |