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Mattiasson A, Masala A, Morton R, Bolodeoku J; SOLAR Study Group.Mattiasson A, et al.BJU Int. 2010 Apr;105(8):1126-35. doi: 10.1111/j.1464-410X.2009.08910.x. Epub 2009 Oct 10.BJU Int. 2010.PMID: 19818077Clinical Trial.