Mitropoulos, D. Artibani, W. Biyani, C.S. Bjerggaard Jensen, J. Rouprêt, M. Truss, M., Validation of the Clavien–Dindo Grading System in Urology by the European Association of Urology Guidelines Ad Hoc Panel, European Urology Focus, (4), 608-613, 2018, Elsevier B.V., 2405-4569