1. Hepatocellular carcinoma, International Union Against Cancer (UICC);Okuda;Report No. 17, Geneva,1982
2. Hepatitis B virus as the etiologic agent in hepatocellular carcinoma — epidemiologic considerations;Beasley;Hepatology,1982
3. Hepatitis B virus and the prevention of primary hepatocellular carcinoma;Blumberg;N Engl J Med,1981
4. Epidemiology of hepatocellular carcinoma;Beasley,1984
5. Hepatocellular carcinoma and the hepatitis B virus: evidence for a casual association;Szmuness;Prog Med Virol,1978