_:vb50942939 "A retinitis pigmentosa that has_material_basis_in mutation in the DHDDS gene on chromosome 1p36.11."^^ . _:vb50942939 . _:vb50942939 . _:vb50942939 . _:vb50942939 . _:vb50942939 "url:https://www.ncbi.nlm.nih.gov/pubmed/21295283"^^ . _:vb50942939 .