1. Cancer Fads & Figures 2008;American Cancer Society,2008
2. Mortality results from a randomized prostate-cancer screening trial;Andriole;N Fngl J Med,2009
3. National Cancer Institute. Fact Sheet: Ihe prostate-specific antigen test: questions and answers, http://www.cancer.gov/cancertopics/factsheet/ Detection/PSA. Accessed July 10,2009.
4. Randomized trial examining the effect of two prostate cancer screening educational interventions on patient knowledge, preferences, and behaviors;Partin;J Gen Intern Med,2004
5. The effect of an illustrated pamphlet decision-aid on the use of prostate cancer screening tests;Schapira;J Fam Pract,2000