title: Suppressor cells.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001853:Bone Marrow / Q000276:immunology; D016026:Bone Marrow Transplantation; D002455:Cell Division; D003110:Colonic Neoplasms / Q000276:immunology; D006258:Head and Neck Neoplasms / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D007165:Immunosuppression Therapy; D008264:Macrophages / Q000276:immunology; D051379:Mice; D011817:Rabbits; D013154:Spleen / Q000166:cytology / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D014184:Transplantation, Homologous