1. Atkinson, P. andBarry, M. V. (1974) Random noise in ultrasonic echoes defracted by blood.J. Phys. 7, 1293–1302.
2. Basket, J. J., Beasley, M. G., Murphy, G. J., Hyams, D. E. andGosling, R. G. (1977) Screening for carotid junction disease by spectral analysis of Doppler signal.Cardiovasc. Res.,11, 147–155.
3. Bendick, P. J. andGlover, J. L. (1982) Detection of subcritical stenosis by Doppler spectrum analysis.Surg.,91,707–711.
4. Blackshear, W. M., Phillips, D. J., Thiele, B. L., Hirsh, J. H., Chikos, P. M., Murimelli, M. R., Wood, K. J. andStrandness, D. E. (1979) Detection of carotid occlusive disease by ultrasonic imaging and pulsed Doppler spectrum analysis.,86, 698–706.
5. Blackshear, W. M., Phillips, D. J., Chikos, P. M., Horley, J. D., Thiele, B. L. andStrandness, D. E. (1980) Carotid artery velocity patterns in normal and stnotic vessels.Stroke,11, 67–71.