Thyroid Cancer Ontology Health Surveillance Ontology Source
http://purl.obolibrary.org/obo/UBERON_0001043 http://www.semanticweb.org/hx-jta/ontologies/thyroid_cancer_ontology#Esophagus LOOM
http://purl.obolibrary.org/obo/DOID_2326 http://www.semanticweb.org/hx-jta/ontologies/thyroid_cancer_ontology#Gastroenteritis LOOM
http://purl.obolibrary.org/obo/OBI_0000066 http://www.semanticweb.org/hx-jta/ontologies/thyroid_cancer_ontology#Investigation LOOM