- The Pain Ontology CC-BY-4.0
The Pain Ontology project; creators: https://orcid.org/0000-0001-6378-1703; https://orcid.org/0000-0001-9625-1899; https://orcid.org/0000-0001-9990-8331; https://orcid.org/0000-0002-0766-8455; https://orcid.org/0009-0002-7282-0836; https://orcid.org/0009-0003-5583-4731; https://orcid.org/0009-0006-7251-3026; original artifact license CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/); https://obofoundry.org/ontology/pain.html
http://purl.obolibrary.org/obo/PAIN_0000002 ; https://purl.obolibrary.org/obo/pain.owl ; snapshot SHA-256 33c296dda312f81cd3925b1c91dff37ed2b5184e676d3003cc001e44dac49f65 ; exact artifact license http://creativecommons.org/licenses/by/4.0/ ; retrieved 2026-11-07