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Skolarus TA, Serrano MF, Berger DA, Bullock TL, Yan Y, Humphrey PA, Kibel AS.Skolarus TA, et al.J Urol. 2008 Feb;179(2):439-43; discussion 443-4. doi: 10.1016/j.juro.2007.09.076.J Urol. 2008.PMID: 18076932