_:vb50937962 . _:vb50937962 "url:https://www.ncbi.nlm.nih.gov/pubmed/22448145"^^ . _:vb50937962 . _:vb50937962 "A spastic ataxia that is characterized by cerebellar ataxia, spasticity, hyperreflexia, urinary urgency and dysarthria, has_material_basis_in homozygous or compound heterozygous complex genomic rearrangements involving the MARS2 gene on chromosome 2q33."^^ . _:vb50937962 . _:vb50937962 . _:vb50937962 . _:vb50937962 "url:https://www.omim.org/entry/611390"^^ . _:vb50937962 .