[Studies on changes in blood group specificity].
D000017:ABO Blood-Group System; D001419:Bacteria / Q000201:enzymology; D001774:Blood Chemical Analysis; D001789:Blood Group Antigens; D004790:Enzyme Induction; D004912:Erythrocytes / Q000032:analysis; D006023:Glycoproteins / Q000032:analysis; D006801:Humans; D013045:Species Specificity
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D006023:Glycoproteins