http://www.cancer.gov/cancer_information/doc.aspx?viewid=3BD07DCE-4376-4DCB-B993-03C3DBE23E6E
National Cancer Institute, National Institutes of Health
This up-to-date information from the National Cancer Institute's PDQ® database is intended for use by patients. The document presents an general overview of prostate cancer screening methods and screening effectiveness and discusses prostate cancer prevention.