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von Bismarck P, Ankermann T, Eggert P, Claviez A, Fritsch MJ, Krause MF.von Bismarck P, et al. Among authors: fritsch mj.Childs Nerv Syst. 2006 Oct;22(10):1275-81. doi: 10.1007/s00381-006-0091-x. Epub 2006 Apr 11.Childs Nerv Syst. 2006.PMID: 16607534