_:vb50945154 . _:vb50945154 . _:vb50945154 . _:vb50945154 "url:https://www.ncbi.nlm.nih.gov/pubmed/4154794"^^ . _:vb50945154 "url:https://www.ncbi.nlm.nih.gov/pubmed/11175288"^^ . _:vb50945154 "An autosomal recessive cerebellar ataxia characterized by spinocerebellar ataxia with optic and cochlear degeneration that has_material_basis_in homozygous or compound heterozygous mutation in a region on chromosome 6p23-p21."^^ . _:vb50945154 "url:https://www.ncbi.nlm.nih.gov/pubmed/4434170"^^ . _:vb50945154 . _:vb50945154 .