- Exposure ontology (ExO) CC-BY-4.0
Exposure ontology (ExO) project; original artifact license CC-BY-4.0 (https://creativecommons.org/licenses/by/4.0/); https://obofoundry.org/ontology/exo.html
http://purl.obolibrary.org/obo/EXO_0000161 ; https://purl.obolibrary.org/obo/exo.owl ; snapshot SHA-256 c85ed9fd27c97b245b44eccd5174a7276237e8ce0335adf2d80a71fae18e28ef ; exact artifact license https://creativecommons.org/licenses/by/4.0/ ; retrieved 2026-11-07