<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/DocumentReference" />
  <name value="DocumentReference" />
  <status value="draft" />
  <description value="相关文档信息（包含检查，检验，心电，入院记录， 出院记录， 账单等文档）" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" />
  <derivation value="constraint" />
</StructureDefinition>