| ETC | electron transport chain; esophageal tracheal combitude; estimated time of conception |
|---|---|
| ETF | electron-transferring flavoprotein; eustachian tube function |
| ETFB | electron transfer flavoprotein, beta polypeptide |
| ETP | electron transport particle; entire treatment period; ephedrine, theophylline, phenobarbital; eustac... |
| eV, ev | electron volt |