_:vb50942969 . _:vb50942969 "url:https://www.ncbi.nlm.nih.gov/pubmed/19956407"^^ . _:vb50942969 . _:vb50942969 . _:vb50942969 "A retinitis pigmentosa that has_material_basis_in mutation in the ARL6 gene on chromosome 3q11.2."^^ . _:vb50942969 . _:vb50942969 .