title: Hepatitis-associated antigen in chronic hepatitis.
mesh_terms: D002908:Chronic Disease; D003168:Complement Fixation Tests; D006506:Hepatitis A / Q000276:immunology*; D006509:Hepatitis B / Q000276:immunology*; D006511:Hepatitis B Antigens; D006801:Humans; D011863:Radioimmunoassay
chemical_list: D006511:Hepatitis B Antigens