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Witjes JA, Compérat E, Cowan NC, De Santis M, Gakis G, Lebret T, Ribal MJ, Van der Heijden AG, Sherif A; European Association of Urology.Witjes JA, et al. Among authors: gakis g.Eur Urol. 2014 Apr;65(4):778-92. doi: 10.1016/j.eururo.2013.11.046. Epub 2013 Dec 12.Eur Urol. 2014.PMID: 24373477