Crohn's & Colitis Foundation of America Inc. 386 Park Avenue South, 17th floor New York, NY 10016-8804 Tel: (800) 932-2423 or (212) 685-3440 E-mail: info@ccfa.org Home page: http://www.ccfa.org
National Digestive Diseases Information Clearinghouse 2 Information Way Bethesda, MD 20892-3570 E-mail: National Digestive Diseases Information Clearinghouse
American College of Gastroenterology (ACG) 4900-B South 31st Street Arlington, VA 22206-1656 Phone: (703) 820-7400 Fax: (703) 931-4520 Internet: www.acg.gi.org