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Raabe A, Zimmermann M, Setzer M, Vatter H, Berkefeld J, Seifert V.Raabe A, et al. Among authors: zimmermann m.Neurosurgery. 2002 May;50(5):1006-13; discussion 1013-4. doi: 10.1097/00006123-200205000-00013.Neurosurgery. 2002.PMID: 11950403
Zimmermann M, Krishnan R, Raabe A, Seifert V.Zimmermann M, et al.Neurosurgery. 2002 Dec;51(6):1446-51; discussion 1451-2.Neurosurgery. 2002.PMID: 12445350
Raabe A, Beck J, Gerlach R, Zimmermann M, Seifert V.Raabe A, et al. Among authors: zimmermann m.Neurosurgery. 2003 Jan;52(1):132-9; discussion 139. doi: 10.1097/00006123-200301000-00017.Neurosurgery. 2003.PMID: 12493110
Zimmermann M, Jung CS, Vatter H, Raabe A, Seifert V.Zimmermann M, et al.Neurosurg Rev. 2003 May;26(2):125-32. doi: 10.1007/s10143-002-0242-9. Epub 2002 Nov 19.Neurosurg Rev. 2003.PMID: 12962299
Raabe A, Beck J, Keller M, Vatter H, Zimmermann M, Seifert V.Raabe A, et al. Among authors: zimmermann m.J Neurosurg. 2005 Dec;103(6):974-81. doi: 10.3171/jns.2005.103.6.0974.J Neurosurg. 2005.PMID: 16381183