_:vb50942799 . _:vb50942799 . _:vb50942799 "A cataract that has_material_basis_in heterozygous mutation in the CRYBA1 gene on chromosome 17q11."^^ . _:vb50942799 . _:vb50942799 . _:vb50942799 "url:https://www.ncbi.nlm.nih.gov/pubmed/7573044"^^ . _:vb50942799 .