_:vb50943014 . _:vb50943014 "A retinitis pigmentosa that has_material_basis_in mutation in the RGR gene on chromosome 10q23."^^ . _:vb50943014 . _:vb50943014 "url:https://www.ncbi.nlm.nih.gov/pubmed/10581022"^^ . _:vb50943014 . _:vb50943014 . _:vb50943014 .