_:vb50941091 "url:https://www.ncbi.nlm.nih.gov/pubmed/28921817"^^ . _:vb50941091 . _:vb50941091 "url:https://www.ncbi.nlm.nih.gov/pubmed/27680516"^^ . _:vb50941091 . _:vb50941091 . _:vb50941091 . _:vb50941091 . _:vb50941091 "A leukodystrophy that is characterized by progressive dementia, apraxia, apathy, impaired balance, parkinsonism, spasticity and epilepsy and has_material_basis_in heterozygous mutation in the CSF1R gene on chromosome 5q32."^^ .