Horovitz D, Meng Y, Joseph JV, Feng C, Wu G, Rashid H, et al. The role of urinary cytology when diagnostic workup is suspicious for upper tract urothelial carcinoma but tumour biopsy is nonconfirmatory. CUAJ [Internet]. 2017 Jul. 11 [cited 2026 Jul. 15];11(7):E285-90. Available from: https://cuaj.ca/index.php/journal/article/view/4150