Vertebrate Taxonomy Ontology	PMO Precision Medicine Ontology	Source
http://purl.obolibrary.org/obo/VTO_0026218	http://www.phoc.org.cn/pmo/class/PMO_00011049	LOOM
http://purl.obolibrary.org/obo/VTO_0027763	http://www.phoc.org.cn/pmo/class/PMO_00039400	LOOM
http://purl.obolibrary.org/obo/VTO_0026121	http://www.phoc.org.cn/pmo/class/PMO_00039378	LOOM