_:vb50942965 . _:vb50942965 . _:vb50942965 . _:vb50942965 "url:https://www.ncbi.nlm.nih.gov/pubmed/11062461"^^ . _:vb50942965 . _:vb50942965 . _:vb50942965 "A retinitis pigmentosa that has_material_basis_in mutation in the MERTK gene on chromosome 2q13."^^ .