| TTT | thymol turbidity test; tolbutamide tolerance test; total twitch time; tuberculin tine test |
|---|---|
| VAT | variable antigen type; ventricular accommodation test; ventricular activation time; vesicular amine ... |
| GPKA | guinea pig kidney absorption [test] |
| KPT | kidney punch test |
| ETF | Eustachian Tube Function |