title: Hepatitis B virus DNA integration in hepatoblastoma.
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000032:analysis / Q000209:etiology*; D004279:DNA, Viral / Q000302:isolation & purification*; D006509:Hepatitis B / Q000150:complications*; D006801:Humans; D007223:Infant; D008113:Liver Neoplasms / Q000032:analysis / Q000209:etiology*
chemical_list: D004279:DNA, Viral