1. Contrast echocardiography;Roelandt;Ultrasound Med Biol,1982
2. Determination of cardiac output by two-dimensional contrast echocardiography;DeMaria,1982
3. Videodensitometric quantification of left-to-right shunts with contrast echocardiography;Hagler,1982
4. Videodensitometric processing of contrast two-dimensional echo-cardiographic data;Meitzer;Ultrasound Med Biol,1982
5. Computerized washout analysis of myocardial contrast echocardiograms in normal and ischemic myocardium (abstr);Maurer;Circulation,1982