Blood-group substances.
D000017:ABO Blood-Group System / Q000096:biosynthesis / Q000737:chemistry / Q000235:genetics; D001789:Blood Group Antigens / Q000737:chemistry / Q000235:genetics; D004912:Erythrocytes / Q000276:immunology; D006801:Humans; D007983:Lewis Blood Group Antigens / Q000096:biosynthesis / Q000737:chemistry / Q000235:genetics; D008951:MNSs Blood-Group System / Q000737:chemistry / Q000235:genetics; D015394:Molecular Structure; D012204:Rh-Hr Blood-Group System / Q000737:chemistry / Q000235:genetics
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D007983:Lewis Blood Group Antigens; D008951:MNSs Blood-Group System; D012204:Rh-Hr Blood-Group System