title: Distribution of HL-A antigens 6a, 6b in the Russian population and their role in mixed lymphocyte cultures.
mesh_terms: D005787:Gene Frequency; D005816:Genetic Complementation Test; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007125:Immunogenetics; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology*; D008722:Methods; D014586:USSR
chemical_list: D006649:Histocompatibility Antigens