title: New specificity of Australia antigen.
mesh_terms: D000918:Antibody Specificity; D001208:Asia; D001782:Blood Donors; D004314:Down Syndrome / Q000276:immunology; D000939:Epitopes; D005060:Europe; D006505:Hepatitis / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007938:Leukemia / Q000276:immunology; D010139:Pacific Islands; D006435:Renal Dialysis; D013020:South America; D014481:United States
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens; D007106:Immune Sera