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1794. L. Spallanzani 1826. J.D. Colladon J. C. F. Sturm . 1842. - Christian Andreas Doppler "ber das farbige Licht der Doppelsterne und einiger anderer Gestirne des Himmels" 1845. - C. H. D. Buys Ballot 1847. - James Prescott Joule 1876. - Francis Galton 1877. - Lord Rayleigh Theory of SoundPage 2

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4DAsbjrn Stylen- Real-Time Strain Rate Imaging of the Left Ventricle by Ultrasound; Strain rate imaging; Basic ultrasound, echocardiography and Doppler for clinicians Page 30

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