title: Further studies on the ability of regressor sera to block cell-mediated destruction of Rous sarcomas.
mesh_terms: D000818:Animals; D000906:Antibodies; D000936:Antigen-Antibody Complex; D000951:Antigens, Neoplasm; D001358:Avian Sarcoma Viruses / Q000276:immunology*; D002060:Bursa of Fabricius / Q000502:physiology; D002417:Cattle / Q000276:immunology; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D003470:Culture Media; D003601:Cytotoxicity Tests, Immunologic; D007106:Immune Sera / Q000494:pharmacology*; D007111:Immunity, Cellular; D011784:Quail; D001357:Sarcoma, Avian / Q000276:immunology; D013154:Spleen / Q000276:immunology
chemical_list: D000906:Antibodies; D000936:Antigen-Antibody Complex; D000951:Antigens, Neoplasm; D003470:Culture Media; D007106:Immune Sera