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Graafland NM, Moonen LM, van Boven HH, van Werkhoven E, Kerst JM, Horenblas S.Graafland NM, et al. Among authors: kerst jm.J Urol. 2011 Mar;185(3):888-93. doi: 10.1016/j.juro.2010.10.059. Epub 2011 Jan 15.J Urol. 2011.PMID: 21239009