EVIDENCE FOR GENE INTERACTION AT THE ABO LOCUS AS DEMONSTRATED BY QUANTITATIVE STUDIES OF THE ERYTHROCYTES OF THE  BLOOD GROUP.
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D004912:Erythrocytes; D005826:Genetics, Medical; D006384:Hemagglutination; D006386:Hemagglutination Tests; D006801:Humans
D000017:ABO Blood-Group System; D001789:Blood Group Antigens
ABO FACTORS; ERYTHROCYTES; GENETICS, HUMAN; HEMAGGLUTINATION