1. Key statistics for prostate cancer. American Cancer Society; 2016.
2. Cancer stat facts: common cancer sites. National Cancer Institute Surveillance, Epidemiology, End Results Program. National Institute of Health; 2017.
3. Cancer stat facts: prostate cancer. National Cancer Institute Surveillance, Epidemiology, and End Results Program. National Institute of Health; 2017.
4. Higgins IT. The epidemiology of cancer of the prostate. J Chronic Dis. 1975;28:343.
5. Wilding G. The importance of steroid hormones in prostate cancer. Cancer Surv. 1992;14:113–130.