title: Recombination between la and four loci of the HL-A region.
mesh_terms: D003434:Crossing Over, Genetic; D005838:Genotype; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007558:Italy; D007959:Lymphocyte Culture Test, Mixed; D010641:Phenotype; D011995:Recombination, Genetic
chemical_list: D006649:Histocompatibility Antigens