title: Absence of B antibody in a blood group A person.
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis*; D000042:Absorption; D000328:Adult; D000917:Antibody Formation; D001609:Beta-Globulins / Q000302:isolation & purification; D001963:Bromelains / Q000494:pharmacology; D002462:Cell Membrane / Q000276:immunology; D000939:Epitopes; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006460:Hemolysin Proteins / Q000032:analysis; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000032:analysis; D007158:Immunologic Techniques; D007518:Isoantibodies / Q000032:analysis*; D007840:Latex; D037102:Lectins; D008863:Microspheres; D010375:Pedigree; D012463:Saliva / Q000276:immunology; D012710:Serum Albumin, Bovine; D014734:Vibrio cholerae / Q000201:enzymology
chemical_list: D000017:ABO Blood-Group System; D001609:Beta-Globulins; D000939:Epitopes; D006460:Hemolysin Proteins; D007106:Immune Sera; D007070:Immunoglobulin A; D007518:Isoantibodies; D007840:Latex; D037102:Lectins; D012710:Serum Albumin, Bovine; D001963:Bromelains