| ADTA | American Dental Trade Association |
|---|---|
| FTC | Federal Trade Commission; follicular thyroid carcinoma; frequency threshold curve; frequency tuning ... |
| TTO | time trade-off [method] |
| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |
| AAPL | American Academy of Psychiatry and the Law |