Nelen, V.

screening cancer prostate cancer prostate group study death contamination control erspc screening group control group mortality european analysis trial european randomised study schr öder fh control arm result nonattendance randomised center effect urology centre reduction number rotterdam european randomized study university biopsy cohort roobol department men randomised subject pca deaths value randomized nejm.org testing randomization koning hj antigen psa test prostate-cancer analyses ratio medicine downloaded follow-up england journal 69 years erasmus university randomisation adjustment committee roobol mj finland erspc rotterdam psa testing psa value prostate cancer screening core age group prostate-specific e ng l mortality reduction noconsent rate ratio psa use table noncompliance t-stage distribution study groups interval cuzick netherland cause screening arm koning