http://hl7.org/fhir/StructureDefinition/elementdefinition-allowedUnits|4.0.1
Identifies the units of measure in which the element should be captured or expressed.
Type: Extension (a.k.a: http://hl7.org/fhir/StructureDefinition/Extension)
Type dependencies: 3
Elements
extension: Extension
value[x]: CodeableConcept,canonical