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Barth M, Moratin B, Dostal M, Kalenka A, Scharf J, Schmieder K.Barth M, et al. Among authors: kalenka a.Acta Neurochir Suppl. 2012;114:157-60. doi: 10.1007/978-3-7091-0956-4_29.Acta Neurochir Suppl. 2012.PMID: 22327683
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