_:vb50942803 . _:vb50942803 . _:vb50942803 . _:vb50942803 "url:https://www.ncbi.nlm.nih.gov/pubmed/7704021"^^ . _:vb50942803 . _:vb50942803 . _:vb50942803 "A cataract that has_material_basis_in variation in the region 17q24."^^ .