1Porter TR, Feng X. Visually discernible myocardial echocardiographic contrast after intravenous injection of sonicated dextrose albumin microbubbles containing high molecular weight, less soluble gases[J]. J Am Coll Cardial, 1995,25: 509-515.
2Becher H, Burns PN. Handbook of contrast echocardiography[M]. Springer Verlag, Frankfurt and New York, 2000.
3Mills JD, Fischer D, Villanueva FS. Coronary collateral development during chronic ischemia: serial assessment using harmonic myocardial contrast echocardiography[J].J Am Coll Cardiol,2000,6(2): 618-624.