Errata publication of HL7 FHIR® R4 Implementation Guide: FHIR Clinical Documents, Edition 1.0.1
Learn more at https://www.hl7.org/implement/standards/product_brief.cfm?product_id=670 or see the specification at http://hl7.org/fhir/uv/fhir-clinical-document/STU1.0.1.