Bias and variability of diagnostic spectral parameters extracted from closing sounds produced by bioprosthetic valves implanted in the mitral position. - Guy Cloutier; Louis-Gilles Durand; Robert Guardo; Hani N. Sabbah; Paul D. Stein (IEEE Trans. Biomed. Eng., 1989)

Comparison of pattern recognition methods for computer-assisted classification of spectra of heart sounds in patients with a porcine bioprosthetic valve implanted in the mitral position. - Louis-Gilles Durand; Michel Blanchard; Guy Cloutier; Hani N. Sabbah; Paul D. Stein (IEEE Trans. Biomed. Eng., 1990)