Combined transcatheter arterial chemoembolization and radiofrequency ablation versus hepatectomy for recurrent hepatocellular carcinoma after initial surgery: a propensity score matching study. - Peng, Zhenwei; Wei, Mengchao; Chen, Shuling; Lin, Manxia; Jiang, Chunlin; Mei, Jie; Li, Bin; Wang, Yu; Li, Jiaping; Xie, Xiaoyan; Kuang, Ming (European Radiology, 2018)