Radiology Info: Upper GI Radiography
- Information about the procedure. Explains what patients might experience, how to prepare, and benefits versus risks.
- http://www.radiologyinfo.org/en/info.cfm?pg=uppergi

eMedicine Health - Abdominal Pain in Children
- Consumer health resource center providing an overview of a tummy ache and its causes, symptoms and treatment.
- http://www.emedicinehealth.com/Articles/9810-1.asp

UCLA Center for Neurovisceral Science and Women's Health
- Information about IBS, diarrhea, constipation, abdominal pain, GERD and other GI disorders. Also includes information about clinical trials
- http://ibs.med.ucla.edu

Introductory Anatomy: Digestive System
- A complete look at the this system starting with the purpose, mouth, swallowing, oesophagus, stomach, duodenum, small and large intestines, salivary glands, pancreas, liver and gallbladder.
- http://www.leeds.ac.uk/chb/lectures/anatomy8.html

NIDDK
- This document contains patient education fact sheets on six diagnostic tests involving gastrointestinal disorders: colonoscopy, sigmoidoscopy, upper GI series, lower GI series, upper endoscopy and ERCP.
- http://www.niddk.nih.gov/health/digest/pubs/diagtest/index.htm

MCW HealthLink
- Information and news on digestive disorders from the physicians and scientists of the Medical College of Wisconsin.
- http://healthlink.mcw.edu/digestive-disease/

Principal Health News - Digestive Center
- Digestive disorders center for help with intestinal problems, from common disorders like flatulence or heartburn to less common ones such as Crohn's Disease or gallstones.
- http://www.principalhealthnews.com/topic/digestivecenter

Gastrolab
- This site is dedicated to digestive disorders. Chat and a mailing list available for support.
- http://www.gastrolab.net/welcome.htm

Digestive Disease Center - Medical University of South Carolina
- Information for the public and health care professionals. Includes the organs and problems associated with them, as well as details about the center.
- http://www.ddc.musc.edu/

Focus on Digestion
- Features news, clinical trial and articles.
- http://www.aboutdigestion.com/