1. U.S. Department of Health and Human Services (2004)Report on Carcinogens, 11th ed., pp III-1−III-3, Research Triangle Park, NC.
2. International Agency for Research on Cancer (1995)IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, Volume 63, Dry Cleaning, Some Chlorinated Solvents and Other Industrial Chemicals, pp 272−391, Lyon, France.