title: [Significance of HLA].
mesh_terms: D000818:Animals; D001172:Arthritis, Rheumatoid / Q000276:immunology; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D051379:Mice; D014181:Transplantation Immunology
chemical_list: D006649:Histocompatibility Antigens