URL ONTOLOGY
Sleep Domain Ontology
Source
https://bioportal.bioontology.org/ontologies/URL/#Body
http://purl.org/obo/owl/FMA#FMA_20394
LOOM
https://bioportal.bioontology.org/ontologies/URL/#HEAD
http://purl.org/obo/owl/FMA#FMA_7154
LOOM