_:vb50940907 . _:vb50940907 . _:vb50940907 . _:vb50940907 "url:https://pubmed.ncbi.nlm.nih.gov/32165008/"^^ . _:vb50940907 "url:https://www.ncbi.nlm.nih.gov/pubmed/25558065"^^ . _:vb50940907 "A developmental and epileptic encephalopathy characterized by onset of seizures between 4 and 7 months of age, severely impaired global development, hypotonia with poor head control, and visual inattention that has_material_basis_in homozygous or compound heterozygous mutation in the ARV1 gene on chromosome 1q42."^^ . _:vb50940907 "url:https://www.ncbi.nlm.nih.gov/pubmed/27270415"^^ . _:vb50940907 . _:vb50940907 .