_:vb50943039 "url:https://www.ncbi.nlm.nih.gov/pubmed/11545739"^^ . _:vb50943039 . _:vb50943039 . _:vb50943039 . _:vb50943039 . _:vb50943039 "A retinitis pigmentosa that has_material_basis_in mutation in the PRPF31 gene on chromosome 19q13."^^ . _:vb50943039 .