Article ID Journal Published Year Pages File Type
10745319 Parkinsonism & Related Disorders 2014 4 Pages PDF
Abstract
Handwritten spirals appear to have a single predominant axis in more ET than dystonia cases. The evaluation of this axis has moderate diagnostic validity as a screening tool to distinguish ET cases from those with dystonia. Although this study did not assess the utility of this tool in clinical practice settings, future studies should do so.
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Life Sciences Biochemistry, Genetics and Molecular Biology Ageing
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The spiral axis as a clinical tool to distinguish essential tremor from dystonia cases
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