_:vb50943746 . _:vb50943746 . _:vb50943746 "An Usher syndrome type 1 that has_material_basis_in homozygous or compound heterozygous mutation in the CDH23 gene on chromosome 10q22."^^ . _:vb50943746 . _:vb50943746 . _:vb50943746 "url:https://www.ncbi.nlm.nih.gov/pubmed/11138009"^^ . _:vb50943746 .