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Raman JD, Ng CK, Boorjian SA, Vaughan ED Jr, Sosa RE, Scherr DS.Raman JD, et al.BJU Int. 2005 Nov;96(7):1031-5. doi: 10.1111/j.1464-410X.2005.05804.x.BJU Int. 2005.PMID: 16225523