1. U.S. Food and Drug Administration Information for consumers www.fda.ov/cvm/hormones.htm
2. World Anti-Doping Agency The World Anti-Doping Code - The 2005 Prohibited List, International Standard www.wada-ama.org/rtecontent/document/list_2005.pdf
3. Association of Racing Commissioners International Uniform classification guidelines for foreign substances and recommended penalties and model rule www.arci.com/druglisting.pdf