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Stief CG, Jonas U, Petry KU, Sohn C, Bektas H, Klempnauer J, Chavan A, Galanski M, Montorsi F.Stief CG, et al.BJU Int. 2003 Jan;91(2):138-42. doi: 10.1046/j.1464-410x.2003.03060.x.BJU Int. 2003.PMID: 12519115Review.
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