CRDC-H model in LinkML, developed by the Center for Cancer Data Harmonization (CCDH)
This project is maintained by cancerDHC
The Patient/ResearchSubject, or Biologically Derived Materal (e.g. a cell line, tissue culture, organoid) from which the specimen was directly or indirectly derived.
URI: ccdh:specimen__derived_from_subject
None -> OPT Patient