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Walter M, Sammer U, Kessler TM.Walter M, et al.Urologe A. 2012 Dec;51(12):1683-91. doi: 10.1007/s00120-012-3037-9.Urologe A. 2012.PMID: 23224254Free article.German.
Walter M, Michels L, Kollias S, van Kerrebroeck PE, Kessler TM, Mehnert U.Walter M, et al.BMJ Open. 2014 May 21;4(5):e004357. doi: 10.1136/bmjopen-2013-004357.BMJ Open. 2014.PMID: 24848086Free PMC article.
Leitner L, Walter M, Freund P, Mehnert U, Michels L, Kollias S, Kessler TM.Leitner L, et al. Among authors: walter m.BMC Urol. 2014 Aug 18;14:68. doi: 10.1186/1471-2490-14-68.BMC Urol. 2014.PMID: 25132340Free PMC article.Clinical Trial.
Walter M, Knüpfer SC, Leitner L, Mehnert U, Schubert M, Curt A, Kessler TM.Walter M, et al.World J Urol. 2016 Mar;34(3):391-7. doi: 10.1007/s00345-015-1589-1. Epub 2015 Jun 9.World J Urol. 2016.PMID: 26055644
Sammer U, Walter M, Knüpfer SC, Mehnert U, Bode-Lesniewska B, Kessler TM.Sammer U, et al. Among authors: walter m.PLoS One. 2015 Oct 29;10(10):e0140970. doi: 10.1371/journal.pone.0140970. eCollection 2015.PLoS One. 2015.PMID: 26513149Free PMC article.
Leitner L, Walter M, Sammer U, Knüpfer SC, Mehnert U, Kessler TM.Leitner L, et al. Among authors: walter m.PLoS One. 2016 Oct 13;11(10):e0163847. doi: 10.1371/journal.pone.0163847. eCollection 2016.PLoS One. 2016.PMID: 27736908Free PMC article.