CRDC-H model in LinkML, developed by the Center for Cancer Data Harmonization (CCDH)
This project is maintained by cancerDHC
A ‘business’ identifier for the entity, typically as provided by an external system or authority, that persists across implementing systems (i.e. a ‘logical’ identifier). Uses a specialized, complex ‘Identifier’ data type to capture information about the source of the business identifier.
URI: ccdh:researchSubject__identifier
None -> 0..* Identifier