_:vb51066706	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/www.openlinksw.com/data/turtle/ontology_mappings/schemas_mappings/SchemaOrgToOpenLink.ttl> .
_:vb51066706	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:vb51066706	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://schema.org/MedicalSignOrSymptom> .