. "retinitis pigmentosa 31"^^ . . "ICD10CM:H35.5"^^ . "DOID:0110391"^^ . "A retinitis pigmentosa that has_material_basis_in mutation in the TOPORS gene on chromosome 9p21."^^ . "disease_ontology"^^ . "OMIM:609923"^^ . . "RP31"@en .