_:vb50942812 . _:vb50942812 . _:vb50942812 . _:vb50942812 "A cataract that has_material_basis_in homozygous mutation in the beaded filament structural protein-1 gene (BFSP1) on chromosome 20p12."^^ . _:vb50942812 . _:vb50942812 . _:vb50942812 "url:https://www.ncbi.nlm.nih.gov/pubmed/17225135"^^ .