- Colonoscopy:MedlinePlus
- Colonoscopy:MedlinePlus Medical Encyclopedia
- Colonoscopy:MedlinePlus Interactive Health Tutorial from the Patient Education Institute
- Frequently Asked Questions About Colonoscopy and Sigmoidoscopy - American Cancer Society
- Colonoscopy - National Institute of Digestive and Diabetes and Kidney Diseases (NIDDK). National Institutes of Health
- Colonoscopy—What to Expect | Cancer.Net - American Society of Clinical Oncology
- ASGE:Understanding Colonoscopy(2) - American Society for Gastrointestinal Endoscopy
- http://www.facs.org/public_info/operation/brochures/colonoscopy.pdf - Colonoscopy. American College of Surgeons.
- Video:Colonoscopy –MayoClinic.com
- Virtual colonoscopy:MedlinePlus Medical Encyclopedia
- National Cancer Institute –Cancer Imaging - Virtual Colonoscopy
- Virtual Colonoscopy - National Institute of Digestive and Diabetes and Kidney Diseases (NIDDK)
- Virtual Colonoscopy –Treatment Options at Mayo Clinic -
- http://www.acg.gi.org/patients/ccrk/VCFAQ.pdf - Virtual Colonoscopy. American College of Gastroenterology












































