https://orcid.org/0000-0002-7356-1779

An annotation property that links an ontology entity or a statement to a prefixed identifier or URI.

Reference database or publication source.

disease characteristic (MONDO:0021125) has cross-reference (http://www.geneontology.org/formats/oboInOwl#hasDbXref) "NCIT:C41009"^^xsd:string

https://github.com/information-artifact-ontology/ontology-metadata/issues/123