| ECT(?) | Electro-Convulsive Therapy; 전기 경련 요법 = EST |
|---|---|
| EST(?) | Electric(Electro-) Shock Theraphy; 전기 충격치료 = ECT |
| EST | electric shock threshold; electroshock therapy; endometrial sinus tumor; endoscopic sphincterectomy;... |
| est | ester; estimation, estimated |
| ie | that is [Lat. id est] |