_:vb50942952 . _:vb50942952 . _:vb50942952 . _:vb50942952 . _:vb50942952 "url:https://www.ncbi.nlm.nih.gov/pubmed/24043777"^^ . _:vb50942952 . _:vb50942952 "A retinitis pigmentosa that has_material_basis_in mutation in the NEK2 gene on chromosome 1q32."^^ .