title: Mechanism of tumour regression by tumour cell extract.
mesh_terms: D000818:Animals; D003348:Cortisone / Q000494:pharmacology*; D005354:Fibrosarcoma / Q000276:immunology*; D008214:Lymphocytes / Q000187:drug effects*; D008264:Macrophages / Q000187:drug effects*; D051379:Mice; D012513:Sarcoma, Experimental / Q000276:immunology; D012822:Silicon Dioxide / Q000494:pharmacology*; D014020:Tissue Extracts
chemical_list: D014020:Tissue Extracts; D012822:Silicon Dioxide; D003348:Cortisone