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Received in revised form: 5 December 2006
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Pierrot-Deseilligny, C., Richeh, W. & Bolgert, F. Upbeat nystagmus due to a caudal medullary lesion and influenced by gravity. J Neurol 254, 120–121 (2007). https://doi.org/10.1007/s00415-006-0302-0
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DOI: https://doi.org/10.1007/s00415-006-0302-0