5[1]Robert F, Mattrey J. Ultrasound contrast applications in radiology. Presented in 4th heart center European symposium on ultrasoud contrast imaging[M]. Rotterdam, 1999:22 - 23.
6[2]Fuminori Moriyasu. In vivo behavior of microbubbles observed using harmonic gray scale imaging. Presented in 4th heart center European symposium on ultrasound contrast imaging[M]. Rotterdam, 1999:10 -12.
7[3]Hancock J,Dittrich H,Jewitt DE,et al.Evaluation ofmyocardial,hepatic, and renal perfusion in a variety of clinical conditions using an intravenous ultrasound contrast agent(Optison) and second harmonic imaging[J]. Heart, 1999,81:636 - 641.
8[4]Forsberg F, Liu JB, Chiou HJ, et al. Comparison of fundamental and wide band harmonic conaast imaging of liver tumors[J]. Ultrasonics,2000,38:110- 113.
9[5]Porter TR, Xie F. Improved myocardial contrast with second harmonic transient ultrasound response imaging in human using intravenous perfluorocarbon-exposed sonicated dextrose albumin[J]. JACC, 1996,27:1497 - 1501.
10[6]Verbeek XA, Ledorx LA,Willigers JM,et al. Experimental investigation of the pulse inversion technique for imaging ultrasound onntrast agents[J].J Acoust Soc Am,2000, 107:2281 - 2290.
3Haemmerrich D,Lee FT,Schutt DJ. Large-volume radiofrequency ablation of ex-vivo bovine liver with multiple cooled cluster electrodes[J].{H}RADIOLOGY,2005,(02):563-568.
4Meloni MF,Goldberg SN,Livraghi T. Hepatocellular carcinoma treated with radiofrequency ablation:comparison of pulse inversion contrast-enhanced harmonic sonography,contrast enhanced power Dopple sonography,and helical CT[J].{H}AMERICAN JOURNAL OF ROENTGENOLOGY,2001.375-380.
5Tateishi R,Shiina S,Teratani T. Percutaneous radiofrequency ablation for hepatocellular carcinoma:an analysis of 1 000cases[J].{H}CANCER,2005,(06):1201-1209.
6EFSUMB Study Group. Guidelines and good clinical practice recommendations for contrast enhanced ultrasound[J].Ultraschall in Med,2008,(01):28-44.
