A systematic investigation of the presence of growth-inhibitory substances in animal tissues.
D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001681:Biological Assay; D002286:Carcinoma, Ehrlich Tumor / Q000188:drug therapy; D002417:Cattle; D004926:Escherichia coli / Q000187:drug effects; D007778:Lactobacillus / Q000187:drug effects; D008722:Methods; D051379:Mice; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental / Q000188:drug therapy*; D012510:Sarcoma 180 / Q000188:drug therapy; D013552:Swine; D014020:Tissue Extracts / Q000627:therapeutic use*
D000970:Antineoplastic Agents; D014020:Tissue Extracts