_:vb50942790 . _:vb50942790 . _:vb50942790 . _:vb50942790 . _:vb50942790 . _:vb50942790 "A cataract that has_material_basis_in heterozygous mutation in the gene encoding gap junction protein alpha-3 (GJA3) on chromosome 13q12."^^ . _:vb50942790 "url:https://www.ncbi.nlm.nih.gov/pubmed/9199569"^^ .