| DRO | differential reinforcement of other behavior; Disablement Resettlement Officer |
|---|---|
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| DTA | differential thermal analysis; diphtheria toxin A |
| DTC | day treatment center; differential thyroid carcinoma |
| MTDDA | Minnesota Test for Differential Diagnosis of Aphasia |