_:vb50940933 . _:vb50940933 . _:vb50940933 . _:vb50940933 . _:vb50940933 . _:vb50940933 "url:https://www.ncbi.nlm.nih.gov/pubmed/24623842"^^ . _:vb50940933 "A developmental and epileptic encephalopathy characterized by onset of seizures in the first year of life and mild to moderate impaired intellectual development that has_material_basis_in heterozygous mutation in the GABRA1 gene on chromosome 5q34."^^ .