[Effect of antioxidants on the carcinogenic and mutagenic activity of benzo[a]pyrene].

: The report deals with a newly-developed strain of rat osteogenic sarcoma which has passed through 64 generations. The strain was obtained from rat primary osteogenic sarcoma induced by 32P treatment. It may be used in testing chemotherapeutic preparations and new drugs for radionuclide diagnosis of tumors.