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Zaak D, Karl A, Knüchel R, Stepp H, Hartmann A, Reich O, Bachmann A, Siebels M, Popken G, Stief C.Zaak D, et al. Among authors: stief c.BJU Int. 2005 Aug;96(2):217-22. doi: 10.1111/j.1464-410X.2005.05604.x.BJU Int. 2005.PMID: 16001963Review.
Seitz M, Zaak D, Knüchel-Clarke R, Stief C.Seitz M, et al. Among authors: stief c.Urologe A. 2005 Sep;44(9):1073-86. doi: 10.1007/s00120-005-0901-x.Urologe A. 2005.PMID: 16133226Review.German.
Gratzke C, Reich O, Bachmann A, Seitz M, Stief CG.Gratzke C, et al. Among authors: stief cg.MMW Fortschr Med. 2005 Oct 13;147(41):45.MMW Fortschr Med. 2005.PMID: 16270512German.No abstract available.
Gratzke C, Becker AJ, Park JW, Reich O, Waldkirch E, Schlenker B, Stief CG.Gratzke C, et al. Among authors: stief cg.Dtsch Med Wochenschr. 2005 Dec 16;130(50):2899-903. doi: 10.1055/s-2005-923324.Dtsch Med Wochenschr. 2005.PMID: 16342015German.No abstract available.
Reich O, Noll M, Gratzke C, Bachmann A, Waidelich R, Seitz M, Schlenker B, Baumgartner R, Hofstetter A, Stief CG.Reich O, et al. Among authors: stief cg.Urology. 2006 Jun;67(6):1144-8. doi: 10.1016/j.urology.2006.01.002.Urology. 2006.PMID: 16765168
Reich O, Seitz M, Gratzke C, Schlenker B, Bachmann A, Stief C.Reich O, et al. Among authors: stief c.Urologe A. 2006 Jun;45(6):769-80; quiz 781-2. doi: 10.1007/s00120-006-1039-1.Urologe A. 2006.PMID: 16788796German.