title: Hepatocellular carcinoma grading and HBAg distribution.
mesh_terms: D006528:Carcinoma, Hepatocellular / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D006416:Hematoxylin; D006512:Hepatitis B Core Antigens / Q000032:analysis*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007124:Immunoenzyme Techniques; D008113:Liver Neoplasms / Q000276:immunology*
chemical_list: D006512:Hepatitis B Core Antigens; D006514:Hepatitis B Surface Antigens; D006416:Hematoxylin