| CUI | Cox-Uphoff International [tissue expander] |
|---|---|
| DHI | Dental Health International; dihydroxyindole |
| DIS | Diagnostic Interview Schedule; draft international standard |
| DSI | deep shock insulin; Depression Status Inventory; disulfide isomerase; Down Syndrome International |
| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |