Colonoscopy: References

Colorectal cancer early detection. American Cancer Society. 2014. Accessed November 26, 2014. http://www.cancer.org/acs/groups/cid/documents/webcontent/003170-pdf.pdf.

Feldman M, Friedman L, Brandt L. 2010. Sleisenger and Fordtran's gastrointestinal and liver disease [9th ed.].