| QCIM | Quarterly Cumulative Index Medicus |
|---|---|
| AIUM | American Institute of Ultrasound in Medicine |
| CFDU | color-flow Doppler ultrasonography; color flow Doppler ultrasound |
| CUS | carotid ultrasound examination; catheterized urine specimen; contact urticaria syndrome |
| DDU | dermo-distortive urticaria; duplex Doppler ultrasound |