1. Ferlay J, Shin HR, Bray F, Forman D, Mathers C, et al.. (2010) GLOBOCAN 2008 v2.0,Cancer Incidence and Mortality Worldwise:IARC cancerBase No. 10[Internet]. http://globocan.iarc.fr. Accessed November 24, 2012.
2. Estimates of worldwide burden of cancer in 2008: GLOBOCAN 2008;J Ferlay,2010
3. The burden of illness associated with hepatocellular carcinoma in the United States;K Lang,2009
4. Medical care costs and survival associated with hepatocellular carcinoma among the elderly;LA White,2012
5. Field MJ, Lohr KN, eds. (1990) Clinical Practice Guidelines:directions for a new program. Washington,D.C.: Institute of Medicine.National Academy Press.