title: An overview and recent findings on the Ia antigens of the major histocompatibility locus.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D003429:Cross Reactions; D005802:Genes, MHC Class II; D008040:Genetic Linkage; D006183:H-2 Antigens; D006680:HLA Antigens; D006649:Histocompatibility Antigens / Q000235:genetics / Q000276:immunology; D006801:Humans; D008285:Major Histocompatibility Complex; D051379:Mice; D014181:Transplantation Immunology; D014184:Transplantation, Homologous
chemical_list: D006183:H-2 Antigens; D006680:HLA Antigens; D006649:Histocompatibility Antigens