_:vb50937977 . _:vb50937977 . _:vb50937977 . _:vb50937977 "url:http://www.ncbi.nlm.nih.gov/books/NBK1138/"^^ . _:vb50937977 . _:vb50937977 . _:vb50937977 "A cerebellar ataxia that has_material_basis_in autosomal recessive inheritance."^^ .