6Fletcher CD, Unni K, Mertens F. World Health Organization classification of tumours. Pathology and genetics of tumours of soft tissue and bone. Lyon: IARC Press, 2000: 86-88.
7Pandian NG.Clinical applications of contrast echocardiography.Eur J Echocardiogr,2004,5 Suppl 2:S3~10.
8Li J,Dong BW,Yu XL,et al.Time-intensity-based quantification of vascularity with single-level dynamic contrast-enhanced ultrasonography:a pilot animal study.J Ultrasound Med,2005,24(7):975~983.
9Bleuzen A,Tranquart F.Incidental liver lesions:diagnostic value of cadence contrast pulse sequencing (CPS) and SonoVue.Eur Radiol,2004,14 Suppl 8:53~62.
10Foster E,Gerber IL.Masses of the heart:perfusing the "good" from the bad.J Am Coll Cardiol,2004,43(8):1420~1422.