"A retinitis pigmentosa that has_material_basis_in mutation in the USH2A gene on chromosome 1q41."^^ . "RP39"@en . "disease_ontology"^^ . "retinitis pigmentosa 39"^^ . . "OMIM:613809"^^ . . . "DOID:0110360"^^ . "ICD10CM:H35.5"^^ .