_:vb50943753 . _:vb50943753 . _:vb50943753 "An Usher syndrome type 1 that has_material_basis_in variation in the chromosome region 15q22-q23."^^ . _:vb50943753 . _:vb50943753 "url:https://www.ncbi.nlm.nih.gov/pubmed/18505454"^^ . _:vb50943753 . _:vb50943753 .