Systems Biology Ontology Ontology of Clinical Research Source
http://biomodels.net/SBO/SBO_0000392 http://purl.org/net/OCRe/study_design.owl#OCRE100012 LOOM
http://biomodels.net/SBO/SBO_0000347 http://purl.org/net/OCRe/OCRe.owl#OCRE400057 LOOM