_:vb50943241 . _:vb50943241 . _:vb50943241 . _:vb50943241 . _:vb50943241 "url:https://www.ncbi.nlm.nih.gov/pubmed/10025409"^^ . _:vb50943241 "An autosomal dominant nonsyndromic deafness that is characterized by high frequency progressive hearing loss and has_material_basis_in mutation in the KCNQ4 gene on chromosome 1p34.2."^^ . _:vb50943241 .