Mitchell, Robert E Changes in prognostic significance and predictive accuracy of Gleason grading system throughout PSA era: impact of grade migration in prostate cancer. [electronic resource] - Urology Oct 2007 - 706-10 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1527-9995 Standard No.: 10.1016/j.urology.2007.06.1084 doi Subjects--Topical Terms: Disease-Free SurvivalHumansKaplan-Meier EstimateMaleMiddle AgedPrognosisProstate-Specific Antigen--bloodProstatectomyProstatic Neoplasms--bloodReproducibility of Results