title: Reduced spontaneous antitumour resistance of the elderly rat is restored by Corynebacterium parvum.
mesh_terms: D000375:Aging; D000818:Animals; D001428:Bacterial Vaccines / Q000008:administration & dosage*; D003352:Corynebacterium / Q000276:immunology*; D005354:Fibrosarcoma / Q000276:immunology*; D007109:Immunity; D051381:Rats; D012513:Sarcoma, Experimental / Q000276:immunology
chemical_list: D001428:Bacterial Vaccines