TYPE OF TEST : Unscheduled DNA synthesis TEST SYSTEM : Human HeLa cell DOSE/DURATION : 100 nmol/L REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 38,2621,1978