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Pope JC 4th, Davis MM, Smith ER Jr, Walsh MJ, Ellison PK, Rink RC, Kropp BP.Pope JC 4th, et al. Among authors: kropp bp.J Urol. 1997 Sep;158(3 Pt 2):1105-10. doi: 10.1097/00005392-199709000-00106.J Urol. 1997.PMID: 9258151