. _:vb50940764 . . . _:vb50940764 . "disease_ontology"^^ . "DOID:0080333"^^ . _:vb50940764 . _:vb50940764 . . _:vb50940764 . "OMIM:109730"^^ . "aortic valve disease 1"@en . "A bicuspid aortic valve disease that has_material_basis_in heterozygous mutation in the NOTCH1 gene on chromosome 9q34."^^ .