Maulik, D. et al., "Fetal Doppler Echocardiography: Methods and Characterization of Normal and Abnormal Hemodynamics," Amer. Jrnl. Cardiology, Feb. 1, 1984, vol. 53, pp. 572-578. |
Kay, L. et al., "The echocardiophone: a new means for observing spatial movement of the heart," Ultrasonics, vol. 15, No. 3, May 1977. |
Seeds, J. W. et al., Practical Obstetrical Ultrasound, Aspen Publications, Rockville, Md., 1986, pp. 124-129. |
"Vascular Ultrasound Ultrasonic Evaluation of the Carotid Bifurcation," by Langlois, Roederer and Strandness, published in vol. 4, No. 2, of Echocardiography A Review of Cardiovascular Ultrasound (Futura Publishing Company, Inc., 1987). |
Doppler Ultrasound and its Use in Clinical Measurement, Peter Atkinson and John P. Woodcock, (San Francisco: Academic Press, 1982), particularly pp. 54 to 74. |
Biomedical Ultrasonics, P. N. T. Wells, (San Francisco: Academic Press, 1977), particularly Chapter 9. |
"Doppler Ultrasound: A Technique for Obtaining Arterial Wall Motion Parameters," IEEE Transactions on Soncs and Ultrasonics, Nov. 1977, Charles F. Olsen. |
"On the Development of a Multigate Pulsed Doppler System With Serial Data Processing," A. P. G. Hoeks, Ph.D. Thesis University of Limburg, Maastrict, Holland, 1982. |
"Doppler Measurement of Myocardial Thickening With a Single Epicardial Transducer," American Journal of Physiology, Craig J. Hartley et al., 245:6(1983), pp. H1066-H1072. |
"Ultrasonic Measurement of Small Displacements and Deformations of Tissue," Ultrasonic Imaging, L. S. Wilson and D. E. Robinson, 4(1982), pp. 71 to 82. |