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Gauruder-Burmester A, Popken G.Gauruder-Burmester A, et al. Among authors: popken g.Aktuelle Urol. 2009 Nov;40(6):355-9. doi: 10.1055/s-0029-1224600. Epub 2009 Aug 19.Aktuelle Urol. 2009.PMID: 19693752Clinical Trial.German.
Hoda MR, Gauruder-Burmester A, Kümmel C, Nitzke T, Popken G.Hoda MR, et al. Among authors: popken g.Urologe A. 2008 Aug;47(8):1004-8. doi: 10.1007/s00120-008-1739-9.Urologe A. 2008.PMID: 18461299German.
Friedrich-Freksa M, Schulz E, Nitzke T, Wenzel O, Popken G.Friedrich-Freksa M, et al. Among authors: popken g.Int Braz J Urol. 2012 Sep-Oct;38(5):645-51. doi: 10.1590/s1677-55382012000500009.Int Braz J Urol. 2012.PMID: 23131521Free article.
Friedrich-Freksa M, Schulz E, Nitzke T, Wenzel O, Popken G.Friedrich-Freksa M, et al. Among authors: popken g.Urol Int. 2013;91(1):103-8. doi: 10.1159/000348542. Epub 2013 Jun 7.Urol Int. 2013.PMID: 23752480