title: Absence of enhancing antibody in cell mediated immunity to tumour heterografts in protein deficient rats.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D002859:Chromium Isotopes; D046508:Culture Techniques; D003601:Cytotoxicity Tests, Immunologic; D007111:Immunity, Cellular; D008214:Lymphocytes / Q000276:immunology; D012515:Mast-Cell Sarcoma / Q000276:immunology*; D051379:Mice; D009368:Neoplasm Transplantation; D011488:Protein Deficiency / Q000276:immunology*; D051381:Rats; D013154:Spleen / Q000166:cytology / Q000276:immunology
chemical_list: D002859:Chromium Isotopes