1. IARC Monograph on evaluation of carcinogenic risk to man;IARC,1980
2. Agency for Toxic Substance and Disease Registry;ATSDR,2000
3. USGS, U. S. G. S. U.S Geological Survey. Minerals Information. Arsenic. Http://minerals.usgs.gov/minerals/pubs/commodity.myb/,2000., 2000.
4. Mechanism of arsenic carcinogenesis: an integrated approach;Rossman;Mutat. Res.,2003
5. Evidence that arsenite acts as a cocarcinogen in skin cancer;Rossman;Toxicol. Appl. Pharmacol.,2004