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. 2018 Jan 22;75(4):495–502. doi: 10.1001/jamaneurol.2017.4373

Video 2. Patient 76.

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The patient was heterozygous for the Trp279* and Lys197Gln mutation in the APTX gene at 28 years of age. Cerebellar ataxia at gait and dysmetria during the finger-nose test were noted.