Sayyid, R. K., B. Wilson, J. Z. Benton, A. Lodh, E. F. Thomas, H. Goldberg, R. Madi, M. K. Terris, C. J. Wallis, and Z. Klaassen. “Upgrading on Radical Prostatectomy Specimens of Very Low- and Low-Risk Prostate Cancer Patients on Active Surveillance: A Population-Level Analysis”. Canadian Urological Association Journal, vol. 15, no. 7, Dec. 2020, pp. E335-9, doi:10.5489/cuaj.6868.