_:vb50942944 . _:vb50942944 "url:https://www.ncbi.nlm.nih.gov/pubmed/16189710"^^ . _:vb50942944 "A retinitis pigmentosa that has_material_basis_in variation in the chromosome region 1p21.3-p13.3."^^ . _:vb50942944 . _:vb50942944 . _:vb50942944 . _:vb50942944 .