An example of an anti-antibody causing difficulty in ABO grouping.
D000017:ABO Blood-Group System; D000888:Antibodies, Anti-Idiotypic; D000941:Antigens; D004899:Erythroblastosis, Fetal / Q000276:immunology; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D005719:gamma-Globulins
D000017:ABO Blood-Group System; D000888:Antibodies, Anti-Idiotypic; D000941:Antigens; D005719:gamma-Globulins