- American Urological Association (AUA)
- American Medical Association (AMA) – JAMA
- American College of Physicians (ACP) – Annals of Internal Medicine
- American Cancer Society (ACS)
- American Foundation for Urological Disease, Inc. (AFUD)
- Prostate Disease www.afud.org
- Prostate Specific Antigen www.afud.org
- Prostate Cancer www.afud.org
- National Cancer Institute (NCI)
- American Academy of Family Physicians (AAFP)
- Prostate Cancer Foundation (PCF)
- American Society for Therapeutic Radiology and Oncology (ASTRO)
- http://www.astro.org
- American College of Surgeons (ACS)
- Center for Prostate Cancer – University of Minnesota
- U.S. Preventive Services Task Force (USPSTF
- National Institutes of Health (NIH)
- World Health Organization (WHO)