1- Guo, Z., Durand, L.-G., Allard, L., Cloutier, G., and Fenster, A. "Evaluation of multiple arterial stenoses using three-dimensional power Doppler angiography", Journal of Vascular surgery, (submitted), 1997.

2- Debiais, F., Durand, L-G., Guo, Z., Guardo, R. "Time-frequency analysis of heart murmurs. Part II: Optimization of time-frequency representation and performance evaluation". Medical & Biological Engineering & Computing, (accepted), 1997.

3- Guo, Z., Boughner, D. R., Dietrich, J. M., Pflugfelder, P. W., and Fenster, A., "Quantitative assessment of in vitro jets based on three-dimensional color Doppler reconstruction", Ultrasound Med Biol (accepted for revision), 1997.

4- Chen, D., Durand, L.-G., Guo, Z., and Lee, H., "Time-frequency analysis of the first heart sound: Part 2, Selection of an appropriate time-frequency representation technique", Med. & Biol. Eng. & Comput. (accepted), 1996.

5- Guo, Z. and Fenster, A., "Three-dimensional power Doppler imaging: A phantom study to quantify vessel stenosis", Ultrasound Med Biol., vol. 22, pp. 1059-1069, 1996.

6- Guo, Z., Moreau, M., Rickey, D. W., Picot, P. A., and Fenster, A., "Quantitative investigation of in vitro flow using three-dimensional color Doppler Ultrasound", Ultrasound Med Biol., Vol. 21: 807-816, 1995.

7- Guo, Z., Durand, L.-G., Allard, L., Cloutier, G., and Lee, H., "Classification of lower limb arterial stenoses from Doppler blood flow signal analysis with time-frequency representation and pattern recognition techniques", Ultrasound Med Biol., vol. 20, No. 4, pp. 335- 346, 1994.

8- Guo, Z., Durand, L.-G., and Lee, H. C., "Comparison of time-frequency representation techniques on simulated Doppler ultrasound signal of the femoral artery", IEEE Trans. on Biomedical Engineering. vol. 41, No. 4, pp. 332-342, 1994.

9- Guo, Z., Durand, L.-G., and Lee, H. C., "The time-frequency distributions of nonstationary signals based on a Bessel kernel", IEEE Transactions on Signal Processing, vol. 42, No. 7, pp. 1700-1707, 1994.

10- Guo, Z., Durand, L.-G., Lee, H. C., Allard, L., Grenier, M.-C., and Stein, P. D., "Artificial neural networks in computer assisted classification of heart sounds in patients with porcine bioprosthetic valves", Med. & Biol. Eng. & Comput., vol. 32, pp. 311-316, 1994.

11- Guo, Z., Durand, L.-G., Allard, L., Cloutier, G., Lee, H. C., and Langlois, Y. E., "Cardiac Doppler blood flow signal analysis, Part I: Evaluation of the normality and stationarity of the temporal signal", Med. & Biol. Eng. & Comput., vol. 31, pp. 237-241, 1993.

12- Guo, Z., Durand, L.-G., Allard, L., Cloutier, G., Lee, H. C., and Langlois, Y. E., "Cardiac Doppler blood flow signal analysis, Part II: The time-frequency representation by using autoregressive modeling", Med. & Biol. Eng. & Comput., vol. 31, pp. 242-248, 1993.

13- Durand, L.-G., Guo, Z., Sabbah, H. N., and Stein, P. D., "Comparison of spectral techniques for computer assisted classification of spectra of heart sounds in patients with a porcine bioprosthetic valves", Med. & Biol. Eng. & Comput., vol. 31, pp. 229-236, 1993.

14- Cloutier, G., Allard, L., Guo, Z., and Durand, L.-G., "The effect of averaging cardiac Doppler spectrograms on the reduction of their amplitude variability", Med. & Biol. Eng. & Comput., 30(2): PP 177-186: March, 1992.

1- Guo, Z., Durand, L.-G., and Fenster, A. "Three-dimensional power Doppler angiography", SPIE’s International Symposiun on Medical Imaging, Newport Beach, California, USA, Proceedings of SPIE. Vol. 3033, pp 215-224, 1997.

2- Guo, Z, Fenster, A., Allard, L., Cloutier, G., and Durand, L.-G. "Evaluation of multiple arterial stenoses using 3D power Doppler imaging" Procedings of 1996 Canadian Conference on Electrical and Computer Engineering, Calgary, Canada, pp. 347-350, (invited paper), 1996.

3- Guo, Z. and Fenster, A. "Quantification of vessel stenosis using three-dimensional power Doppler Imaging", Proceedings of 17th Annual International Conference of IEEE Engineering in Medicine and Biology, Montreal, Canada, 1995.

4- Guo, Z., Durand, L.-G., Lee, H. C., Allard, L., and Stein, P. D., "Classification of bioprosthetic valve closure sounds by a neural network using linear prediction coefficients", Proceedings of 14th Annual International Conference of IEEE Engineering in Medicine and Biology, Paris, France, pp. 477-478; October, 1992.

5- Allard, L., Durand, L.-G., Guo, Z., Roederer, G. O., and Langlois, Y. E., "Comparison of spectral analysis techniques for computer assisted classification of Doppler ultrasound spectral recorded in the lower limb arteries", Proceedings of 14th Annual International Conference of IEEE Engineering in Medicine and Biology, Paris, France, pp. 2112-2113, October, 1992.

6- Guo, Z., Durand, L.-G., Allard, L., Cloutier, G., Lee, H. C., and Langlois, Y. E., "Complex autoregressive modeling of the cardiac Doppler signal", Proceedings of 13th Annual International Conference of IEEE Engineering in Medicine and Biology, Orlando, USA, pp 148-149, November, 1991.

7- Fenster, A., Guo, Z., Holdsworth, D., and Smith, R. "Evaluation of 3D power Doppler ultrasound in a stenosed carotid model", 82^nd Scientific Assembly and Annual Meeting of the Radiological Society of North American, chicago, USA, 1996.

8- Boughner D. R., Dietrich J. M., Pflugfelder P. W., Guo Z., and Fenster A., "3-D color Doppler imaging of regurgitant jets in vitro", Proceedings of the 68th Scientific Sessions of American Heart Association, California, USA, 1995.

9- Guo Z., Moreau M., and Fenster A., "Quantitative imaging of in-vitro flow field using 3-Dimensional colour Doppler ultrasound", Proceedings of the 63rd Annual Metting of the Royal College of Physicians and Surgeons of Canada, Toronto, Canada, 1994.

10- Debiais F. Durand L.-G., and Guo Z., "Resolution frequentielle de distributions bilineaires temps-frequence", Journee de la recherche des etudiants de l' IRCM, p 15, Montreal, Canada, February, 1993.

11- Guo Z., Durand L.-G., and Lee H. C., "The time-frequency distributions of nonstationary signals based on a Bessel kernel", IEEE Trans. on Signal Processing, Vol. 40, No. 12, p 3089, 1992.