1. Global Cancer Statistics, 2002
2. Chen WQ, Zheng RS, Zeng HM, Zhang SW, Li N, Zou XN, He J. [Trend analysis and prediction of cancer incidence in China]. Zhonghua Yu Fang Yi Xue Zazhi 2012;46:581-586.
3. Centers for Disease Control and Prevention (CDC). Hepatocellular carcinoma - United States, 2001-2006. MMWR Morb Mortal Wkly Rep 2010;59:517-520.
4. A new prognostic system for hepatocellular carcinoma: A retrospective study of 435 patients