title: Genetic evidence that HLA-DR (Ia) specificities include multiple HLA-D determinants on a single haplotype.
mesh_terms: D000939:Epitopes; D006680:HLA Antigens / Q000235:genetics*; D006238:Haploidy; D006801:Humans; D007959:Lymphocyte Culture Test, Mixed; D010375:Pedigree
chemical_list: D000939:Epitopes; D006680:HLA Antigens