Sigmoidoscopy: References

US Department of Health and Human Services. National Institutes of Health. National Institute of Diabetes and Digestive and Kidney Diseases. Flexible sigmoidoscopy. http://digestive.niddk.nih.gov/ddiseases/pubs/sigmoidoscopy/. Updated May 2014. Accessed March 2016.

American cancer society guidelines for the early detection of cancer. American Cancer Society. http://www.cancer.org/healthy/findcancerearly/cancerscreeningguidelines/american-cancer-society-guidelines-for-the-early-detection-of-cancer. Updated October 20, 2015. Accessed March 2016.

Colorectal cancer: screening. US Preventive Services Task Force. http://www.uspreventiveservicestaskforce.org/uspstf/uspscolo.htm Guidelines form US Preventative Services Task Force. Updated July 2015. Accessed March 2016.