title: Increased circulating Ia-bearing T cells in HBsAg-positive chronic active hepatitis.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006509:Hepatitis B / Q000276:immunology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D000949:Histocompatibility Antigens Class II / Q000032:analysis*; D006801:Humans; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006514:Hepatitis B Surface Antigens; D000949:Histocompatibility Antigens Class II