For More Information About Colonoscopy

American College of Gastroenterology (ACG)
P.O. Box 3099
Alexandria, VA 22302
Phone: 703-820-7400
Fax: 703-931-4520
Email: info@acg.gi.org
Internet: www.acg.gi.org

International Foundation for Functional Gastrointestinal Disorders (IFFGD)
P.O. Box 170864
Milwaukee, WI 53217-8076
Phone: 1-888-964-2001 or 414-964-1799
Fax: 414-964-7176
Email: iffgd@iffgd.org
Internet: www.iffgd.org

source: http://digestive.niddk.nih.gov/ddiseases/pubs/colonoscopy/index.htm