title: Enhancing effect of murine leukemia virus on fibroblast transformation by normal BALB/c mouse DNA fragments.
mesh_terms: D000818:Animals; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D005814:Genes, Viral; D009052:Leukemia Virus, Murine / Q000235:genetics*; D051379:Mice; D008807:Mice, Inbred BALB C; D008819:Mice, Nude; D012513:Sarcoma, Experimental / Q000209:etiology; D014412:Tumor Virus Infections