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Loch T, Leuschner I, Genberg C, Weichert-Jacobsen K, Küppers F, Retz M, Lehmann J, Yfantis E, Evans M, Tsarev V, Stöckle M.Loch T, et al. Among authors: kuppers f.Urologe A. 2000 Jul;39(4):341-7. doi: 10.1007/s001200050367.Urologe A. 2000.PMID: 10957776German.