TYPE OF TEST : Mutation test systems - not otherwise specified TEST SYSTEM : Human Cells - not otherwise specified DOSE/DURATION : 1 mmol/L REFERENCE : JIDEAE Journal of Investigative Dermatology. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1938- Volume(issue)/page/year: 65,52,1975