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Barroso U Jr, Barroso VA, de Bessa J Jr, Calado AA, Zerati Filho M.Barroso U Jr, et al.J Urol. 2008 Jul;180(1):297-9; discussion 299. doi: 10.1016/j.juro.2008.03.066. Epub 2008 May 21.J Urol. 2008.PMID: 18499171