title: Trypanosoma cruzi-induced suppressor substance. I. cellular involvement and partial characterization.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D014355:Chagas Disease / Q000276:immunology*; D055598:Chemical Phenomena; D002621:Chemistry; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006041:Goats; D007106:Immune Sera / Q000494:pharmacology; D007111:Immunity, Cellular; D007163:Immunosorbent Techniques; D007165:Immunosuppression Therapy; D051379:Mice; D008810:Mice, Inbred C57BL; D012756:Sheep; D013154:Spleen / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology; D013997:Time Factors; D014349:Trypanosoma cruzi / Q000276:immunology*
chemical_list: D007106:Immune Sera