User contributions for 78.128.170.41
From WikiLectures
11 December 2012
- 08:2608:26, 11 December 2012 diff hist +6,503 N Doppler ultrasonography Doppler ultrasonography is a non-invasive procedure that uses detectable changes in high frequency sound waves (2-20 MHz), based on the Doppler effect, to create clear digital images in real time.