CRDC-H model in LinkML, developed by the Center for Cancer Data Harmonization (CCDH)
This project is maintained by cancerDHC
The general kind of material from which the specimen was derived, indicating the physical nature of the source material.
URI: ccdh:specimen__source_material_type
None -> OPT CodeableConcept
| Comments: | Example values: Tissue, Blood, Tumor Aspirate; Cell Line; Expanded Next Generation Cancer Model; Pleural Effusion; Xenograft Tissue |