1. The burden of primary liver cancer and underlying etiologies from 1990 to 2015 at the global, regional, and national level: results from the global burden of disease study 2015;JAMA Oncol,2015
2. Estimates of worldwide burden of cancer in 2008: GLOBOCAN 2008;Ferlay;Int J Cancer,2010
3. Hepatocellular carcinoma: a global view;Yang;Nat Rev Gastroenterol Hepatol,2010
4. Epidemiology of hepatocellular carcinoma in the United States: where are we? Where do we go?;El-Serag;Hepatology,2014
5. A cancer survey in Lourenco Marques, Portuguese East Africa;Prates;J Natl Cancer Inst,1965