DYT-GCH1 is the most common form of Dopa-responsive dystonia. We analysed a three-generation Portuguese family with the same variant of DYT-GCH1. Dystonia and parkinsonism were found, along with non-motor symptoms. There was a wide array of phenotypic manifestations. Further studies are needed to explain the wide clinical expression of this entity.

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http://dx.doi.org/10.1016/j.parkreldis.2021.04.004DOI Listing

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