Abstract immunogenetic systems.
D000017:ABO Blood-Group System; D000906:Antibodies; D000941:Antigens; D003429:Cross Reactions; D005796:Genes; D007125:Immunogenetics; D008433:Mathematics; D008954:Models, Biological
D000017:ABO Blood-Group System; D000906:Antibodies; D000941:Antigens