_:vb50940925 . _:vb50940925 . _:vb50940925 . _:vb50940925 . _:vb50940925 "url:https://www.ncbi.nlm.nih.gov/pubmed/26486472"^^ . _:vb50940925 . _:vb50940925 "A developmental and epileptic encephalopathy that has_material_basis_in homozygous or compound heterozygous mutation in the GUF1 gene on chromosome 4p12."^^ .