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Nacu A, Fromm A, Sand KM, Waje-Andreassen U, Thomassen L, Naess H.Nacu A, et al. Among authors: sand km.Acta Neurol Scand. 2016 Mar;133(3):202-7. doi: 10.1111/ane.12446. Epub 2015 Jun 2.Acta Neurol Scand. 2016.PMID: 26032994Free PMC article.