_:vb50943037 . _:vb50943037 . _:vb50943037 . _:vb50943037 "url:https://www.ncbi.nlm.nih.gov/pubmed/20655036"^^ . _:vb50943037 "A retinitis pigmentosa that has_material_basis_in mutation in the PDE6G gene on chromosome 17q25.3."^^ . _:vb50943037 . _:vb50943037 .