title: Tumoricidal activity of macrophages induced by lipopolysaccharide and its inhibition by a low molecular weight factor extracted from tumors.
mesh_terms: D000818:Animals; D001202:Ascitic Fluid / Q000166:cytology; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D008055:Lipids / Q000494:pharmacology; D008070:Lipopolysaccharides / Q000276:immunology; D008264:Macrophages / Q000276:immunology*; D008297:Male; D051379:Mice; D008807:Mice, Inbred BALB C / Q000276:immunology; D008810:Mice, Inbred C57BL / Q000276:immunology; D009369:Neoplasms / Q000276:immunology*
chemical_list: D008055:Lipids; D008070:Lipopolysaccharides