_:vb50949312 . _:vb50949312 "url:https://www.ncbi.nlm.nih.gov/pubmed/10476042"^^ . _:vb50949312 . _:vb50949312 . _:vb50949312 "url:https://www.ncbi.nlm.nih.gov/pubmed/8878478"^^ . _:vb50949312 . _:vb50949312 . _:vb50949312 "A leukodystrophy characterized by recurrent subcortical ischemic stroke and cognitive impairment."^^ .