1. New antigen-antibody system in Australia-antigen-positive hepatitis;Almeida;Lancet,1971
2. Antibody responses in viral hepatitis, type B;Barker;J. Amer. med. Ass.,1973
3. The variety of responses within a community to infection with Australia (hepatitis B) antigen;Blumberg;Develop. biol. Standard.,1975
4. Radioimmunoprecipitation assay for Australia antigen, antibody and antigen-antibody complexes;Coller;Proc. Soc. exp. Biol. (N.Y.),1971
5. Epidemiological distribution and significance of anti-HBs;Crovari;Develop. biol. Standard.,1975