Titus, Renil Sinu, et al. “Oncologic and Surgical Outcomes of Endoscopic Therapy Compared to Surgical Treatment of Upper Tract Urothelial Carcinoma Stratified by Tumor Grade: An Analysis of the National Cancer Database”. Canadian Urological Association Journal, vol. 21, no. 1, Sept. 2026, doi:10.5489/cuaj.9654.