1. Survival rates of patients with prostatic cancer, tumor stage, and differentiation–preliminary report;Bailar;Cancer Chemo Reports Part 1,1966
2. Classification of prostatic carcinomas;Gleason;Cancer Chemo Rep Part 1,1966
3. Gleason grading: past, present and future;Delahunt;Histopathol,2012
4. Gleason grading: consensus and controversy;Delahunt;Pathol,2009
5. An update of the Gleason grading system;Epstein;Journal Urol,2010