TY - JOUR AU - Lu, M D; Yu, X L; Li, A H TI - Comparison of contrast enhanced ultrasound and contrast enhanced CT or MRI in monitoring percutaneous thermal ablation procedure in patients with hepatocellular carcinoma: a multi-center study in China JO - Ultrasound Med Biol VL - 33 PY - 2007 DO - 10.1016/j.ultrasmedbio.2007.05.004 SP - 1736 EP - 1749 N1 - et al. ER -