Davis Bondarenko, H., M. Zanaty, S. S. Harmouch, C. Negrean, R. S. Pompe, D. Liberman, N. Bhojani, P. I. Karakiewicz, K. C. Zorn, and A. El-Hakim. “External Validation of the Novel International Society of Urological Pathology (ISUP) Gleason Grading Groups in a Large Contemporary Canadian Cohort”. Canadian Urological Association Journal, vol. 12, no. 12, June 2018, doi:10.5489/cuaj.5284.