title: Immunologic effector mechanisms in hepatitis B-negative chronic active hepatitis.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D002908:Chronic Disease; D006505:Hepatitis / Q000276:immunology*; D006514:Hepatitis B Surface Antigens; D006801:Humans; D007111:Immunity, Cellular; D008099:Liver / Q000276:immunology; D008214:Lymphocytes / Q000145:classification; D008566:Membranes / Q000276:immunology; D011817:Rabbits
chemical_list: D000941:Antigens; D006514:Hepatitis B Surface Antigens