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Weidner W, Hauck EW, Schnitker J; Peyronie's Disease Study Group of Andrological Group of German Urologists.Weidner W, et al.Eur Urol. 2005 Apr;47(4):530-5; discussion 535-6. doi: 10.1016/j.eururo.2004.12.022. Epub 2005 Jan 13.Eur Urol. 2005.PMID: 15774254Clinical Trial.