title: Southern blot analysis of HLA class II beta genes in relation to HLA-D, DR specificities.
mesh_terms: D002460:Cell Line; D005796:Genes; D006681:HLA-D Antigens / Q000235:genetics*; D006684:HLA-DR Antigens / Q000235:genetics*; D006801:Humans; D008285:Major Histocompatibility Complex; D009693:Nucleic Acid Hybridization
chemical_list: D006681:HLA-D Antigens; D006684:HLA-DR Antigens