Citation Select	Wilt TJ, MacDonald R, Rutks I, Shamliyan TA, Taylor BC, Kane RL Systematic review: comparative effectiveness and harms of treatments for clinically localized prostate cancer Ann Intern Med. 2008 Mar 18;148(6):435-48
Citation Select	Scandinavian Prostate Cancer Group Study No. 4; Bill-Axelson A, Holmberg L, Ruutu M, Haggman M, Andersson SO, Bratell S, Spangberg A, Busch C, Nordling S, Garmo H, Palmgren J, Adami HO, Norlen BJ, Johansson JE Radical prostatectomy versus watchful waiting in early prostate cancer N Engl J Med. 2005 May 12;352(19):1977-84