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Kranz J, Maurer G, Maurer U, Deserno O, Schulte S, Steffens J.Kranz J, et al. Among authors: steffens j.Urologe A. 2017 Mar;56(3):336-341. doi: 10.1007/s00120-016-0315-y.Urologe A. 2017.PMID: 28102436German.
Steffens JA, Kranz J, Michel MS.Steffens JA, et al.Urologe A. 2014 May;53(5):635-6. doi: 10.1007/s00120-014-3460-1.Urologe A. 2014.PMID: 24806797German.No abstract available.
Steffens JA, Kranz J, Michel MS.Steffens JA, et al.Urologe A. 2014 Jul;53(7):958-9. doi: 10.1007/s00120-014-3534-0.Urologe A. 2014.PMID: 24906653German.No abstract available.