. "disease_ontology"^^ . "OMIM:617339"^^ . _:vb50940936 . "DEE51"^^ . _:vb50940936 . _:vb50940936 . . . "developmental and epileptic encephalopathy 51"^^ . "early infantile epileptic encephalopathy 51"^^ . "A developmental and epileptic encephalopathy characterized by onset of intractable seizures and hypotonia in the first days or weeks of life and severely delayed psychomotor development that has_material_basis_in homozygous or compound heterozygous mutation in the MDH2 gene on chromosome 7q11."^^ . "DOID:0080433"^^ . . _:vb50940936 . _:vb50940936 .