_:vb50940945 . _:vb50940945 "url:https://www.ncbi.nlm.nih.gov/pubmed/25262651"^^ . _:vb50940945 . _:vb50940945 "url:https://pubmed.ncbi.nlm.nih.gov/25533962/"^^ . _:vb50940945 . _:vb50940945 . _:vb50940945 . _:vb50940945 "A developmental and epileptic encephalopathy characterized by onset in the first months or years of life of refractory seizures and global developmental delay from early infancy that has_material_basis_in heterozygous mutation in the DNM1 gene on chromosome 9q34."^^ .