The high frequency of anti-Bg.
D000888:Antibodies, Anti-Idiotypic; D000941:Antigens; D001789:Blood Group Antigens; D003298:Coombs Test; D003601:Cytotoxicity Tests, Immunologic; D004912:Erythrocytes / Q000276:immunology; D006649:Histocompatibility Antigens; D006801:Humans; D007106:Immune Sera; D007518:Isoantibodies / Q000032:analysis*
D000888:Antibodies, Anti-Idiotypic; D000941:Antigens; D001789:Blood Group Antigens; D006649:Histocompatibility Antigens; D007106:Immune Sera; D007518:Isoantibodies