<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.w3.org/2007/05/powder-s#describedby>	<https://demo.openlinksw.com/about/id/entity/http/purl.obolibrary.org/obo/doid.owl> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasOBONamespace>	"disease_ontology"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://purl.obolibrary.org/obo/DOID_6050> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasDbXref>	"ICD9CM:530.83"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym>	"Leukoplakia of esophagus"@en .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#inSubset>	<http://purl.obolibrary.org/obo/doid#NCIthesaurus> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasDbXref>	"UMLS_CUI:C0267095"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasDbXref>	"NCI:C3953"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#id>	"DOID:9021"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.geneontology.org/formats/oboInOwl#hasDbXref>	"SNOMEDCT_US_2021_09_01:89057003"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://purl.obolibrary.org/obo/DOID_9021>	<http://www.w3.org/2000/01/rdf-schema#label>	"esophageal leukoplakia"^^<http://www.w3.org/2001/XMLSchema#string> .