title: Primary hepatocellular carcinoma and hepatitis B virus.
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000209:etiology*; D004279:DNA, Viral / Q000276:immunology; D004372:Ducks / Q000276:immunology; D005260:Female; D006509:Hepatitis B / Q000150:complications* / Q000635:transmission; D006514:Hepatitis B Surface Antigens / Q000276:immunology; D006515:Hepatitis B virus / Q000378:metabolism; D006801:Humans; D007231:Infant, Newborn; D007303:Insect Vectors; D008099:Liver / Q000166:cytology; D008113:Liver Neoplasms / Q000209:etiology*; D008392:Marmota / Q000276:immunology; D011247:Pregnancy
chemical_list: D004279:DNA, Viral; D006514:Hepatitis B Surface Antigens