| TDSD | transient digestive system disorder |
|---|---|
| TMD | temporomandibular disorder; trimethadione |
| TTD | temporary total disability; tissue tolerance dose; transient tic disorder; transverse thoracic diame... |
| FGID | Functional gastrointestinal disorder |
| ER | 1) Emergency Room; 응급실 2) Estrogen Receptor |