{description: 'A relationship from an Act to a Control Variable. For example, if a Device makes an Observation, this relates the Observation to its Control Variables documenting the device''s settings that influenced the observation.', package_name: hl7.terminology.r4, name: ActRelationshipHasControlVariable, type: null, package_version: 6.3.0, class: unknown, kind: null, url: 'http://terminology.hl7.org/ValueSet/v3-ActRelationshipHasControlVariable', version: 3.0.0}