| DS-DAT | Discomfort Scale for Dementia of the Alzheimer Type |
|---|---|
| DTD | diastrophic dysplasia; document type definition |
| DTH | delayed-type hypersensitivity; Diploma in Tropical Hygiene |
| EBDCT | Cockayne-Touraine type of epidermolysis bullosa dystrophica |
| ECL | emitter-coupled logic; enterochromaffin-like [type]; euglobin clot lysis |