6Kunihiro K,Manabe N,Hata J. Gastrointestinal stromal tumor in jejunum:diagnosis using contrast enhanced ultrasonography and double balloon enteroscopy[J].{H}Digestive Diseases and Sciences,2006,(07):1236-1240.
7Yang TH,Hwang JI,Yang MS. Gastrointestinal stromal tumors:computed tomographic features and prediction of malignant risk from computed tomographic imaging[J].Chin Med Assoco September,2007,(09):367-373.