description: The source from which the samples were collected or isolated. package_name: eu.miabis.r4 derivation: constraint name: SampleSourceExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://fhir.bbmri-eric.eu/fhir/StructureDefinition/miabis-sample-source-extension'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 0.2.0 extensions: {} class: extension kind: complex-type url: https://fhir.bbmri-eric.eu/fhir/StructureDefinition/miabis-sample-source-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: null