modco:unit identifier external string
From Meta-Omics Data of Collection Objects
unit identifier external <string>: Identifier of a record in an external database system referring to a document or physical object
Constraints in the context of MOD-CO:
- cardinality 0..1 (=optional single occurrence)
Display order: 5
Mandatory: -
Data type: text
Resource links: MIxS - source material identifiers, GGBN - geneticAccessionNumber, DWB-DC: CollectionSpecimen - ExternalIdentifier