RT Journal Article SR Electronic T1 Annual screening for prostate cancer did not reduce mortality from prostate cancerAnnual screening for prostate cancer did not reduce mortality from prostate cancer JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 104 OP 105 DO 10.1136/ebm.14.4.104 VO 14 IS 4 A1 Steven E Canfield YR 2009 UL http://ebm.bmj.com/content/14/4/104.abstract AB