_:vb50942830 "url:https://www.ncbi.nlm.nih.gov/pubmed/15370543"^^ . _:vb50942830 . _:vb50942830 "A cataract that has_material_basis_in mutation in the NHS gene on chromosome Xp22."^^ . _:vb50942830 . _:vb50942830 . _:vb50942830 . _:vb50942830 .