_:vb50938001 . _:vb50938001 . _:vb50938001 . _:vb50938001 "An autosomal dominnant cerebellar ataxia that is characterized by slowly progressive ataxia, dysarthria, slow saccades and hyperreflexia, has_material_basis_in mutation in the PDYN gene."^^ . _:vb50938001 . _:vb50938001 "url:https://rarediseases.info.nih.gov/diseases/9950/spinocerebellar-ataxia-23"^^ . _:vb50938001 .