CRDC-H model in LinkML, developed by the Center for Cancer Data Harmonization (CCDH)
This project is maintained by cancerDHC
A ‘business’ identifier or accession number for the entity, typically as provided by an external system or authority, that persists across implementing systems (i.e. a ‘logical’ identifier).
URI: ccdh:specimen__identifier
None -> 0..* Identifier