1. U.S. Cancer Statistics Working Group. United States Cancer Statistics: 1999–2004 Incidence and Mortality Web-based Report. Atlanta: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention and National Cancer Institute; 2007. Available at: http://www.cdc.gov/uscs. Accessed February 6, 2009.
2. Miller AB, Baines CJ, To T, Wall C. Canadian national breast screening study: 2. Breast cancer detection and death rates among women aged 50 to 59 years. Can Med Assoc J. 1992;147:1477–88.
3. Miller AB, Baines CJ, To T, Wall C. Canadian National Breast Screening Study: 1. Breast cancer detection and death rates among women aged 40 to 49 years. Can Med Assoc J. 1992;147:1459–98.
4. Alexander FE, Anderson TJ, Brown HK, et al. 14 years of follow-up from the Edinburgh Randomised Trial of Breast-Cancer Screening. Lancet. 1999;353(9168):1903–8.
5. Tabar L, Vitak B, Chen HH, et al. The Swedish Two-County Trial twenty years later. Updated mortality results and new insights from long-term follow-up. Radiol Clin North Am. 2000;38(4):625–51.