_:vb50942776 . _:vb50942776 . _:vb50942776 . _:vb50942776 . _:vb50942776 "A cataract that has_material_basis_in homozygous mutation in the TDRD7 gene on chromosome 9q22.33."^^ . _:vb50942776 . _:vb50942776 "url:https://www.ncbi.nlm.nih.gov/pubmed/21436445"^^ .