Research Network and Patient Registry Inventory Ontology	Kidney Tissue Atlas Ontology	Source
http://purl.obolibrary.org/obo/OBI_0302884	http://www.semanticweb.org/ontologies/2013/1/PCORI.owl#Extraction	LOOM
http://purl.obolibrary.org/obo/PATO_0000011	http://www.semanticweb.org/ontologies/2013/1/PCORI.owl#Age	LOOM
http://purl.obolibrary.org/obo/NCIT_C25150	http://www.semanticweb.org/ontologies/2013/1/PCORI.owl#Age	LOOM