Hepatitis B virus and hepatocellular carcinoma.
D006528:Carcinoma, Hepatocellular / Q000209:etiology*; D006509:Hepatitis B / Q000150:complications*; D006801:Humans; D008103:Liver Cirrhosis / Q000150:complications / Q000209:etiology; D008113:Liver Neoplasms / Q000209:etiology*