| CFDU | color-flow Doppler ultrasonography; color flow Doppler ultrasound |
|---|---|
| DDU | dermo-distortive urticaria; duplex Doppler ultrasound |
| DUS | diagnostic ultrasonography; Doppler flow ultrasound |
| UDS | ultrasound Doppler sonography; uniform data system; unscheduled deoxynucleic acid synthesis |
| LDF | laser Doppler flux, laser Doppler fluxometry; limit dilution factor |