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N A Rozanova E P Chetverikova The action of therapeutic ultrasound on
T Pashovkin E Khiznyak A Sarvazyan Thermographic investigation of ultrasoni
J Adler I Hrazdira J Hanzlova V Zajicova The influence of lowintensity ultra
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acoustic wave action of ultrasound amplitude amyl alcohol analysis angle aortic atrial fibrillation attenuation axis behaviour biological blood flow calculated cardiac carotid artery cell changes clinical coefficient component concentration correlation curves deconvolution decrease density dependence detection determined diagnosis diastolic distribution Doppler signals echocardiogram effect enzymes equation erythrocytes evaluation experimental flow velocity focused ultrasound formula frequency response function glycerol heart histograms impedance increase instantaneous frequency intensity level internal carotid artery investigations left ventricular localisation mean measurement points method mitral valve mixture nitromethane obtained output paper parameters patients peak phase Poland pressure drop probe properties pulmonary pulsed Doppler radiation range ratio reaction recorded regurgitation sample scattering sensitivity shear shown in Fig sonicated sound intensity level sound power sound power levels sound source spatial spectrum stenosis systolic technique temperature tion tissue TPHA transducer transmission tricuspid ultrasonic ultrasonic beam values vessels viscosity volume Warsaw