title: Hepatitis B virus and primary hepatocellular carcinoma.
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000209:etiology*; D006509:Hepatitis B / Q000150:complications*; D006515:Hepatitis B virus; D006801:Humans; D008113:Liver Neoplasms / Q000209:etiology*