References:

1 - Dictionnaire de la médecine, Médecine-Sciences Flammarion, 7ème édition : la prostate  

2 - Lippman SM, Klein EA, Goodman PJ, et al. (January 2009). "Effect of selenium and vitamin E on risk of prostate cancer and other cancers: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)". JAMA 301 (1): 39–51. doi:10.1001/jama.2008.864. PMID 19066370  

3 – med.umich.edu, University of Michigan Health System: Laparoscopic Robotic Assisted Prostatectomy