Antigen-antibody studies in the ABO blood group system with particular reference to cross-reacting antibodies in group O sera.
D000017:ABO Blood-Group System; D000372:Agglutination Tests; D000937:Antigen-Antibody Reactions; D004912:Erythrocytes; D006801:Humans; D007106:Immune Sera; D066298:In Vitro Techniques; D007518:Isoantibodies; D010206:Papain; D012965:Sodium Chloride; D013696:Temperature
D000017:ABO Blood-Group System; D007106:Immune Sera; D007518:Isoantibodies; D012965:Sodium Chloride; D010206:Papain