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Hart EP, Dumas EM, Reijntjes RH, van der Hiele K, van den Bogaard SJ, Middelkoop HA, Roos RA, van Dijk JG.Hart EP, et al. Among authors: roos ra.J Neurol. 2012 Jun;259(6):1191-8. doi: 10.1007/s00415-011-6334-0. Epub 2011 Dec 6.J Neurol. 2012.PMID: 22143614Free PMC article.