Sickle Cell Disease Ontology Knowledge Object Reference Ontology Source
http://www.knowledgegrid.org/koro#KORO_324 http://purl.obolibrary.org/obo/NCIT_C16453 LOOM
http://purl.obolibrary.org/obo/IAO_0000013 http://purl.obolibrary.org/obo/SCDO_1000402 LOOM