_:vb50939409 . _:vb50939409 "url:https://www.ncbi.nlm.nih.gov/pubmed/12605447"^^ . _:vb50939409 "url:https://www.ncbi.nlm.nih.gov/pubmed/21855841"^^ . _:vb50939409 . _:vb50939409 "A hypomyelinating leukodystrophy characterized by autosomal recessive inheritance of hildhood onset of progressive motor decline manifest as spasticity, ataxia, tremor, and cerebellar signs, as well as mild cognitive regression that has_material_basis_in homozygous or compound heterozygous mutation in the POLR3A gene on chromosome 10q22."^^ . _:vb50939409 . _:vb50939409 . _:vb50939409 .