Agglutination of group Ax erythrocytes by anti-A sera (group B).
Four random examples of group Ax erythrocytes were tested with anti-A sera (group B). Microscopic examination demonstrated a high incidence of reactivity of these cells with the anti-A sera (group B) obtained after immunization with group A substance.
D000017:ABO Blood-Group System; D004912:Erythrocytes / Q000276:immunology*; D006384:Hemagglutination; D006801:Humans; D007106:Immune Sera / Q000494:pharmacology*; D007114:Immunization
D000017:ABO Blood-Group System; D007106:Immune Sera