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The authors declare that they acted in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
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Kent, L., Davies, P., Kennett, R. et al. Unmasking of incipient amyotrophic lateral sclerosis by botulinum toxin therapy. J Neurol 260, 1166–1167 (2013). https://doi.org/10.1007/s00415-013-6854-x
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DOI: https://doi.org/10.1007/s00415-013-6854-x