title: Letter: Serological subdeterminants of Australia antigen.
mesh_terms: D000939:Epitopes; D006506:Hepatitis A / Q000276:immunology*; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D005779:Immunodiffusion; D012383:Romania
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens