description: This cross-version extension represents AdverseEvent.expectedInResearchStudy from http://hl7.org/fhir/StructureDefinition/AdverseEvent|5.0.0 for use in FHIR R4B. package_name: hl7.fhir.uv.xver derivation: constraint name: ext_R5_AdverseEvent_expectedInResearchStudy type: Extension elements: value: base: {path: 'Extension.value[x]'} short: Considered likely or probable or anticipated in the research study choices: [valueBoolean] index: 1 valueBoolean: base: {path: 'Extension.value[x]'} type: boolean short: Considered likely or probable or anticipated in the research study choiceOf: value index: 2 url: pattern: {type: Uri, value: 'http://hl7.org/fhir/5.0/StructureDefinition/extension-AdverseEvent.expectedInResearchStudy'} index: 3 package_version: r5.r4b-0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/5.0/StructureDefinition/extension-AdverseEvent.expectedInResearchStudy base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]