title: Subtypes of Australia antigen.
mesh_terms: D000956:Antigens, Viral; D002908:Chronic Disease; D006505:Hepatitis / Q000276:immunology; D006506:Hepatitis A / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D012703:Serotyping; D019966:Substance-Related Disorders / Q000276:immunology
chemical_list: D000956:Antigens, Viral; D006511:Hepatitis B Antigens