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Levin B et. al, (2008). Screening and Surveillance for the Early Detection of Colorectal Cancer and Adenomatous Polyps, 2008: A Joint Guideline from the American Cancer Society, the US Multi-Society Task Force on Colorectal Cancer, and the American College of Radiology. Published online before print March 5, 2008. CA Cancer J Clin 2008. Available online at http://caonline.amcancersoc.org/cgi/content/full/CA.2007.0018v1. Accessed March 2008.

S2
American Cancer Society. News release, March 5, 2008. Health Groups Issue Updated Colorectal Cancer Screening Guidelines—Recommendations Include Two New Tests and Preference for Tests that Detect Precancerous Polyps. Available online at http://www.cancer.org. Accessed March 2008.

S3
The Facts About Colorectal Cancer. The American Gastroenterological Association (online information). Available online at http://www.gastro.org.

S4
(February 26, 2007) Gandey A. Colorectal Cancer Screening Improved With Immunochemical Fecal Occult Blood Test. Medscape Medical News (online information). Available online at http://www.medscape.com/viewarticle/552714. Accessed April 2008.

S5
(March 5, 2008) American Cancer Society. Colorectal Cancer: Early Detection (online information). Available online at http://www.cancer.org. Accessed April 2008.

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Thomas, Clayton L., Editor (1997). Taber’s Cyclopedic Medical Dictionary. F.A. Davis Company, Philadelphia, PA [18th Edition].

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Pagana, Kathleen D. & Pagana, Timothy J. (2001). Mosby’s Diagnostic and Laboratory Test Reference 5th Edition: Mosby, Inc., Saint Louis, MO.

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AGA (2001). The Facts About Colorectal Cancer. The American Gastroenterological Association [On-line information]. Available online at http://www.gastro.org.

S9
AGA (2001). Clinical Practice Recommendations -- People at Average Risk. The American Gastroenterological Association [On-line information]. Available online at http://www.gastro.org.

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CDC (2001, March 9). CDC says colorectal cancer screening rates remain low. Centers for Disease Control [Press Release]. Available online at http://www.cdc.gov.

S11
DHHS (1996). “Screening for Colorectal Cancer” in Guide to Clinical Preventative Services, 2nd Edition, Report of the U.S. Preventative Services Task Force, U.S. Department of Health and Human Services, Office of Public Health and Science, Office of Disease Prevention and Health Promotion. [On-line information]. Available online at http://odphp.osophs.dhhs.gov.

S12
MedlinePLUS (Page updated 2002, January 2). Fecal occult blood test (FOBT). MedlinePLUS Encyclopedia [On-line information]. Available online at http://www.nlm.nih.gov/medlineplus/ency/article/007008.htm.

S13
National Digestive Diseases Information Clearinghouse: Virtual Colonoscopy. Available online at http://digestive.niddk.nih.gov/ddiseases/pubs/virtualcolonoscopy/.

S14
American Cancer Society. Colorectal Cancer: Early Detection. Available online at http://www.cancer.org.