title: Identification of contaminating Clostridium spores as the oncolytic agent in some chalone preparations.
mesh_terms: D000818:Animals; D003013:Clostridium / Q000302:isolation & purification*; D006224:Cricetinae; D006131:Growth Inhibitors / Q000627:therapeutic use; D008545:Melanoma / Q000188:drug therapy / Q000473:pathology; D051379:Mice; D009369:Neoplasms / Q000382:microbiology; D009374:Neoplasms, Experimental; D051381:Rats; D012867:Skin / Q000382:microbiology; D013171:Spores, Bacterial / Q000302:isolation & purification; D013552:Swine; D013997:Time Factors
chemical_list: D006131:Growth Inhibitors