_:vb50941184 . _:vb50941184 "url:https://www.ncbi.nlm.nih.gov/pubmed/26453364"^^ . _:vb50941184 . _:vb50941184 . _:vb50941184 . _:vb50941184 "A congenital disorder of glycosylation I that is characterized by progressive microcephaly, hypotonia, developmental delay, drug-resistant infantile epilepsy, and hepatomegaly and has_material_basis_in homozygous mutation in the ALG9 gene on chromosome 11q23."^^ . _:vb50941184 .