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Shikanov SA, Eng MK, Bernstein AJ, Katz M, Zagaja GP, Shalhav AL, Zorn KC.Shikanov SA, et al.J Urol. 2008 Aug;180(2):663-7. doi: 10.1016/j.juro.2008.04.013. Epub 2008 Jun 12.J Urol. 2008.PMID: 18554650