title: Production and isolation of helper and suppressor factors.
mesh_terms: D000818:Animals; D002999:Clone Cells / Q000276:immunology; D000939:Epitopes; D005802:Genes, MHC Class II; D006649:Histocompatibility Antigens / Q000276:immunology; D006801:Humans; D006822:Hybrid Cells / Q000276:immunology; D007158:Immunologic Techniques; D007165:Immunosuppression Therapy; D007959:Lymphocyte Culture Test, Mixed; D008222:Lymphokines / Q000276:immunology / Q000302:isolation & purification; D008285:Major Histocompatibility Complex; D051379:Mice; D008815:Mice, Inbred Strains / Q000276:immunology; D011817:Rabbits; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000939:Epitopes; D006649:Histocompatibility Antigens; D008222:Lymphokines