| TBG | Thyroxine-Binding Globulin |
|---|---|
| TBPA | Thyroxine Binding PreAlbumin |
| ET4 | effective thyroxine [test] |
| ETR | effective thyroxine ratio; endothelin receptor |
| ETT | endotracheal tube; epinephrine tolerance test; exercise tolerance test; exercise treadmill test; ext... |