1. International Agency for Research on Cancer (IARC), On the evaluation of carcinogenic risk of chemicals to man, Group 2B, vol. 8 Supplement 7, 1987.
2. Induction of hepatoma and systemic amyloidosis in mice by 4-(dimethylamino)azobenezene feeding;Akamatsu;Gann,1968
3. NTP, Report on Carcinogens, 10th ed., Research Triangle Park, National Toxicology Program, NC, 2002. Available at http://ehp.niehs.nih.gov/roc/loc10.html.
4. Listing occupational carcinogens: research review;Siemiatycki;Environ. Health Perspect.,2004
5. National Institute For Occupational Safety and Health. Available at: http://www.cde.gov/niosh/npotocca.html 2004.