Multiplexed Doppler velocimetry.
D000818:Animals; D001013:Aorta, Thoracic / Q000502:physiology; D001783:Blood Flow Velocity; D004285:Dogs; D004301:Doppler Effect; D006801:Humans; D012212:Rheology; D014159:Transducers; D014465:Ultrasonics / Q000295:instrumentation*; D014463:Ultrasonography