- American Gastroenterological Association (AGA)
- American Society for Gastrointestinal Endoscopy (ASGE)
- American College of Gastroenterology (ACG)
- Crohn's and Colitis Foundation of America (CCFA)
- American Cancer Society
- American Liver Foundation
- GERD Information Resource Center
- About GERD
- Colorectal Cancer Screening Information
- Screen for Life: National Colorectal Cancer Action Campaign
- Colon Cancer Screening Recommendations for Average Risk Individuals
- Medicare.gov - Colorectal Cancer Information
- CDC Screen for Life Campaign
- Celiac Disease Foundation
- Hepatitis B Foundation
- Hepatitis C Information Center
- Irritable Bowel Syndrome Self Help and Support Group
- Colorectal Cancer: Preventable. Treatable. Beatable.
