1. Assessment of myocardial perfusion abnormalities in patients with coronary heart disease by intracoronary injection of a new echo contrast agent;Berwing;Circulation,1986
2. Echocardiographic imaging of the left ventricle by peripheral intravenous injection of echo contrast agent;Berwing;Am. Heart. J.,1988
3. Comparison of three methods of evaluating coronary obstructive lesions: Quantitative contrast echocardiography, contrast coronary angiography and left ventricular regional wall motion;Berwing;Circulation,1988
4. Contrast echocardiography: Pulmonary transmission and myocardial perfusion imaging using surfactant stabilized microbubbles;Bommer;Circulation,1981
5. Intracoronary echocontrast agents: Abnormalities in myocardial function in a normal and reduced coronary perfusion model in dogs;Christensen;Ultrasound Med. Biol.,1988