| DDU | dermo-distortive urticaria; duplex Doppler ultrasound |
|---|---|
| DS | dead air space; dead space; deep sedative; deep sleep; defined substrate; dehydroepiandrosterone sul... |
| EU | Endoscopic Ultrasonography |
| CFDU | color-flow Doppler ultrasonography; color flow Doppler ultrasound |
| DUS | diagnostic ultrasonography; Doppler flow ultrasound |