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We wish to thank the patient and her family for their cooperation regarding this report. We obtained written informed consent from the patient’s son for this publication.
There is no funding.
Conflicts of interest
The authors declare that they have no competing interests.
This single case study has been approved by our Institution’s Ethics Committee and have, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
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León Ruiz, M., García-Soldevilla, M.Á. & García-Albea Ristol, E. Primary progressive freezing gait with impressive response to laser light visual cueing: a video case report. J Neurol 265, 2146–2148 (2018). https://doi.org/10.1007/s00415-018-8966-9