1. Atkinson P, Woodcock JP (1982) Doppler ultrasound and its use in clinical measurement. New York, Academic Press
2. Burns PN (1987) The physical principles of Doppler and spectral analysis. JCU 15:567–590 Daigle R (1989) Quantitative aspects of color flow imaging. In: Nanda NC (ed) Textbook of color Doppler echocardiography. Philadelphia, Lea & Febiger, 283–291
3. Eden A (1990) Lecture: Doppler the man (revisited). Center for Medical Ultrasound of the Bowman Gray School of Medicine of Wake Forest University, February 16
4. Foley WD, Erickson SJ (1991) Color Doppler flow imaging. AJR 156: 3–13
5. Gessert JM, Moore GW (1987) Color flow imaging display modes and data acquisition parameters. Echocardiography 4: 375–381