title: Tracking the lost I-J suppressor region.
mesh_terms: D000818:Animals; D000954:Antigens, Surface / Q000235:genetics*; D005796:Genes; D008285:Major Histocompatibility Complex; D051379:Mice; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*
chemical_list: D000954:Antigens, Surface