5Thorelius L.Contrast-enhanced ultrasound for extrahepatic lesions:preliminary experience.Eur J Radiol,2004,51:S31-38.
6Nagakawa T,Koito K,Fujinaga A,et al.Clinical assessment of contrast -enhanced ultrasonography for the diagnosis of gall bladder diseases.Nippon Rinsho,1998,56:1013-1017
7EFSUMB Study Group. Guidelines for the use of contrast agent in ultrasound. Ultraschall Med, 2004,25:249-256.
8Myers RP. Shaffer EA, Beck PL. Gallbladder polyps : epidemiology. natural history and management. Can J Gastroenterol. 2002. 16: 187-194.
9Kaps M,Seidel G, Bokor D,et al. Safely and ultrasound-enhancing potentials of a new sulfur hexafluoride-containing agent in the cerebral circulation. J Neu roimaging. 1999. 9 : 150-154.
10Lindner jR, Villanueva FS, Dent JM, et al. Assessment of resting perfusion wit h myocardial contrast echocardiography: theoreuical and practical considerations. Am, Heart J ,2000, 139:231-240.
4Hui-Xiong Xu,Department of Medical Ultrasound,Shanghai Tenth People’s Hospital and the Tenth People’s Hospital of Tongji University,Shanghai 200072,China.Era of diagnostic and interventional ultrasound[J].World Journal of Radiology,2011,3(5):141-146. 被引量：8
