title: Ontogeny of regulatory cells.
mesh_terms: D000818:Animals; D002478:Cells, Cultured; D003602:Cytotoxicity, Immunologic; D007165:Immunosuppression Therapy; D007519:Isoantigens; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D051379:Mice; D008810:Mice, Inbred C57BL; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007519:Isoantigens