_:vb50938006 . _:vb50938006 "An autosomal dominant cerebellar ataxia that is characterized by progressive ataxia, dysarthria, hyperreflexia, ophthalmoparesis, nystagmus and ptosis, and has_material_basis_in mutation in the AFG3L2 gene."^^ . _:vb50938006 . _:vb50938006 "url:https://rarediseases.info.nih.gov/diseases/9951/spinocerebellar-ataxia-28"^^ . _:vb50938006 . _:vb50938006 . _:vb50938006 .