title: Suppressor cells in rats with actively induced unresponsiveness to allogeneic heart grafts.
mesh_terms: D000818:Animals; D001803:Blood Transfusion; D000939:Epitopes; D016027:Heart Transplantation; D007108:Immune Tolerance; D007519:Isoantigens / Q000276:immunology; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology*
chemical_list: D000939:Epitopes; D007519:Isoantigens