title: Letter: Virus-like particles in HBsAg-positive-chronic aggressive hepatitis and liver cirrhosis.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D002908:Chronic Disease; D006505:Hepatitis / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006515:Hepatitis B virus / Q000032:analysis*; D006801:Humans; D008103:Liver Cirrhosis / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D006511:Hepatitis B Antigens