| HETP | height equivalent to a theoretical plate; hexaethyltetraphosphate |
|---|---|
| IP | icterus praecox; imaging plate; immune precipitate; immunoblastic plasma; immunoperoxidase technique... |
| LPP | lateral pterygoid plate |
| MEP | maximum expiratory pressure; mean effective pressure; mepiridine; mitochondrial encephalopathy; moto... |
| MEPC | miniature end-plate current |