A0285 - Validation of the novel risk-class for non-muscle invasive bladder cancer: Comparison of oncological outcomes between very-high risk and high risk patients. - Longoni, M.; Scilipoti, P.; De Angelis, M.; Re, C.; Bertini, A.; Avesani, G.; Gandaglia, G.; Colombo, R.; Capitanio, U.; Salonia, A.; Montorsi, F.; Briganti, A.; et al. (European Urology, 2023)