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Fenner M, Wehrhan F, Jehle M, Amann K, Radespiel-Tröger M, Grabenbauer G, Zenk J, Nkenke E, Schinhammer M, Schultze-Mosgau S.Fenner M, et al. Among authors: wehrhan f.Strahlenther Onkol. 2005 Dec;181(12):755-61. doi: 10.1007/s00066-005-1430-7.Strahlenther Onkol. 2005.PMID: 16362784Clinical Trial.