http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl|4.0.1
The type of data entry control or structure that should be used to render the item.
description: The type of data entry control or structure that should be used to render the item. derivation: constraint name: itemControl type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/questionnaire-itemControl base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.1 required: [value]