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A smartphone camera reveals an ‘invisible’ Parkinsonian tremor: a potential pre-motor biomarker?

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Correspondence to Stefan Williams.

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This work was approved by the UK Health Research Authority (IRAS no. 224848).

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Williams, S., Fang, H., Alty, J. et al. A smartphone camera reveals an ‘invisible’ Parkinsonian tremor: a potential pre-motor biomarker?. J Neurol 265, 3017–3018 (2018). https://doi.org/10.1007/s00415-018-9060-z

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  • DOI: https://doi.org/10.1007/s00415-018-9060-z

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