1Yamashita Y, Hatanata Y, Yamamoto H, et al. Differential diagmosis of focal liver lesion : role of spin-echo and contrast-en-hanced dynamic MR imaging. Radiology, 1994,193( 1 ) :59-65.
2Harned MM, Hamm B, Ibrahim ME, et al. Dynamic MR imaging of the abdomen with GD-DTPA : Normal enhancement patterns of the liver, spleen, stomach, and pancreas. A JR, 1992,158 (2) :303.
8Bartotta TV, Taibbi A, Midiri M, et al. Hepatocellular cancer response to radiofrequency tumor ablation: contrast-enhanced ultrasound. Abdom Imaging,2008,33 (5) :501-511.