Lookup for FHIR R4B Expression for use in FHIR R4

Source ElementUsageTarget
Expression.idUseElementSameNameExpression.id
Expression.extensionUseElementSameNameExpression.extension
Expression.descriptionUseElementSameNameExpression.description
Expression.nameUseElementSameNameExpression.name
Expression.languageUseElementSameNameExpression.language
Expression.expressionUseElementSameNameExpression.expression
Expression.referenceUseElementSameNameExpression.reference