1. Albain, K. S., Unger, J. M., Crowley, J. J., Coltman, C. A., Jr., & Hershman, D. L. (2009). Racial disparities in cancer survival among randomized clinical trials patients of the Southwest Oncology Group. Journal of the National Cancer Institute, 101(14), 984–992. Epub 2009 Jul 7.
2. Alibhai, S. M., Krahn, M. D., Fleshner, N. E., Cohen, M. M., Tomlinson, G. A., & Naglie, G. (2004). The association between patient age and prostate cancer stage and grade at diagnosis. BJU International, 94(3), 303–306.
3. American Cancer Society. Cancer facts and figures. (2004). Available at http://www.cancer.org/docroot/STT/stt_0.asp . Accessed August 6.
4. American Cancer Society. Cancer Facts and Figures. (2009). Available at http://www.cancer.org/downloads/STT/500809web.pdf .
5. Babaian, R. J., Kojima, M., Ramirez, E. I., & Johnston, D. (1996). Comparative analysis of prostate specific antigen and its indexes in the detection of prostate cancer. Journal d’Urologie, 156(2 Pt 1), 432–437.