5Zapka JG,Puleo E,Vickers-Lahti M. Health care system factors and colorectal cancer screening[J].American Journal of Preventive Medicine,2002,(05):28-35.
6Hardcastle JD,Chamberlain JO,Robinson MH. Randomised controlled trial of faecal-occult-blood screening for colorectal cancer[J].The Lancet,1996,(9040):1472-1477.
7CDC. Screening for colorectal cancer-United States,1997[EB/OL].http://www.cdc.gov/mmwr/preview/mmwrhtml/00056494.htm,2012.
8Stock C,Knudsen AB,Lansdorp-Vogelaar I. Colorectal cancer mortality prevented by use and attributable to nonuse of colonoscopy[J].Gastrointestinal Endoscopy,2011,(07):435.
9CDC. Vital Signs:Colorectal cancer screening,incidence and mortality-United States,2002-2010[EB/OL].http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6026a4.htm,2011.
10Edwards BK,Ward E,Kohler BA. Annual report to the nation on the status of cancer,1975-2006,featuring colorectal cancer trends and impact of interventions (Risk factors,Screening,and Treatment) to reduce future rates[J].Cancer,2010,(06):544-573.