TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Microorganism - not otherwise specified DOSE/DURATION : 700 ug/plate REFERENCE : PNASA6 Proceedings of the National Academy of Sciences of the United States of America. (National Academy of Sciences, Printing & Pub. Office, 2101 Constitution Ave., Washington, DC 20418) V.1- 1915- Volume(issue)/page/year: 58,256,1967