Feasibility of obtaining biomarker profiles from endoscopic biopsy specimens in upper tract urothelial carcinoma: preliminary results. - Gayed BA; Bagrodia A; Gaitonde M; Krabbe LM; Meissner M; Kapur P; Youssef RF; Sagalowsky A; Lotan Y; Margulis V (Urologic oncology, 2015)