_:vb50942793 . _:vb50942793 "A cataract that has_material_basis_in heterozygous mutation in the gene that encodes heat-shock transcription factor-4 (HSF4) on chromosome 16q22."^^ . _:vb50942793 . _:vb50942793 . _:vb50942793 . _:vb50942793 . _:vb50942793 "url:https://www.ncbi.nlm.nih.gov/pubmed/12089525"^^ .