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This study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
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Helmchen, C., Glasauer, S. & Sprenger, A. Inverse eye position dependency of downbeat nystagmus in midline medullary lesion. J Neurol 260, 2908–2910 (2013). https://doi.org/10.1007/s00415-013-7147-0
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DOI: https://doi.org/10.1007/s00415-013-7147-0