Follow-up study of the Australia antigen and of antibodies in selected patients and in blood donors.
D000906:Antibodies / Q000032:analysis*; D001782:Blood Donors; D006506:Hepatitis A / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D008107:Liver Diseases / Q000276:immunology
D000906:Antibodies; D006511:Hepatitis B Antigens