TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 15 mg/L REFERENCE : JGMIAN Journal of General Microbiology. (Soc. for General Microbiology, Journal Sales, 62 London Rd., Reading, RG1 5AS, UK) V.1- 1947- Volume(issue)/page/year: 18,543,1958