title: An improved method of preparing Schmidt-Ruppin Rous sarcoma virus for brain tumor induction in mammals.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses / Q000254:growth & development* / Q000472:pathogenicity; D001932:Brain Neoplasms / Q000473:pathology*; D002645:Chickens; D006224:Cricetinae; D004285:Dogs; D005910:Glioma / Q000473:pathology; D009368:Neoplasm Transplantation; D009374:Neoplasms, Experimental; D001357:Sarcoma, Avian / Q000473:pathology