1. Real time blood flow imaging system utilizing autocorrelation techniques;Namekawa, K.; Kasai, C.; Tsukamoto, M.; Koyano, A.,1983
2. Real time twodimensional blood flow imaging-variance display;Namekawa, K.; Harada, A.; Kasai, C.
3. Doppler colour flow imrzging;Kisslo, J.; Adams, D.B.; Belkin, R.N.,1988
4. Colour flow Doppler in the detection and localisation of regurgitation associated with prosthetic valves;Chambers, J.B.; Jackson, G.,1988
5. Colour Doppler assessment of mitral regurgitation with orthogonal planes;Helmeke, F.; Nanda, N.C.; Hsuing, M.C.;Circulation,1987