Ontology of Biological Attributes	Chronic Kidney Disease Ontology	Source
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Renal_tubular_acidosis	http://purl.obolibrary.org/obo/MONDO_0001909	LOOM
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Acquired	http://purl.obolibrary.org/obo/MONDO_0021141	LOOM
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Congenital	http://purl.obolibrary.org/obo/MONDO_0021140	LOOM
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Hypertensive_nephropathy	http://purl.obolibrary.org/obo/MONDO_0024633	LOOM
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Renal_dysplasia	http://purl.obolibrary.org/obo/HP_0000110	LOOM
http://clininf.eu/ckdo#Proteinuria	http://purl.obolibrary.org/obo/HP_0000093	LOOM
http://www.semanticweb.org/nic/ontologies/2017/0/untitled-ontology-14#Lupus_nephritis	http://purl.obolibrary.org/obo/MONDO_0005556	LOOM
http://clininf.eu/ckdo#Cystatin_C	http://purl.obolibrary.org/obo/PR_000005965	LOOM