1. Seroconversion from hepatitis B e antigen to anti-HBe in acute hepatitis B virus infection;Aikawa;New Engl. J. Med.,1978
2. Carriers of hepatitis B antigen and transfusion hepatitis in Finland;Helske;Scand. J. Haematol.,1974
3. Hepatitis-associated antigen and antibody in Swedish blood donors;Iwarson;Vox Sang.,1972
4. A coated-tube radioimmunoas-say (FRC-RIA) for hepatitis B surface antigen;Koistinen;Vox Sang.,1978
5. New specificities in Australia antigen positive sera distinct from the Le Bouvier determinants;Magnius;J. Im-mun.,1972