These links are for informational purposes only, DDC offers no assurance of accuracy of content of third party websites. These sites are not meant to suggest medical diagnosis or treatment. Ask your physician about any health concerns you may have.

	American College of Gastroenterology www.acg.gi.org
	American Society for Gastrointestinal Endoscopy www.askasge.org
	American Liver Foundation www.liverfoundation.org
	Crohn's and Colitis Foundation of America www.ccfa.org
	eMedicine www.eMedicine.com
	Merck Manual of Diagnosis and Treatment www.merck.com/mrkshared/mmanual/sections.jsp
	Healthology.com www.healthology.com
	WebMD www.webmd.com