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Schmitz-Dräger BJ, Tirsar LA, Schmitz-Dräger C, Beiche B, Bismarck E, Ebert T.Schmitz-Dräger BJ, et al. Among authors: schmitz drager c.Urologe A. 2008 Feb;47(2):190-4. doi: 10.1007/s00120-007-1598-9.Urologe A. 2008.PMID: 18064433German.