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Nagele U, Schilling D, Anastasiadis AG, Walcher U, Sievert KD, Merseburger AS, Kuczyk M, Stenzl A.Nagele U, et al. Among authors: sievert kd.Urologe A. 2008 Sep;47(9):1066, 1068-73. doi: 10.1007/s00120-008-1814-2.Urologe A. 2008.PMID: 18709351German.
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