title: Association between certain I-region-determined cell surface antigens and Ir-gene-controlled immune responsiveness to distinct synthetic polypeptide antigens in wild rats.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D005802:Genes, MHC Class II; D005838:Genotype; D006649:Histocompatibility Antigens / Q000235:genetics* / Q000276:immunology; D007156:Immunologic Memory; D007959:Lymphocyte Culture Test, Mixed; D051381:Rats / Q000235:genetics* / Q000276:immunology; D011917:Rats, Inbred Lew / Q000235:genetics
chemical_list: D000941:Antigens; D006649:Histocompatibility Antigens