<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://lab.vvis.gov.lv/fhir/StructureDefinition/DocumentReference/LaboratoryDocumentReference" />
  <name value="DocumentReference" />
  <status value="draft" />
  <fhirVersion value="4.3.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="DocumentReference" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" />
  <derivation value="constraint" />
  <differential>
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      <path value="DocumentReference.masterIdentifier" />
      <max value="0" />
    </element>
    <element id="DocumentReference.identifier">
      <path value="DocumentReference.identifier" />
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    </element>
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    <element id="DocumentReference.type.coding.userSelected">
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      <path value="DocumentReference.category" />
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    <element id="DocumentReference.subject.reference">
      <path value="DocumentReference.subject.reference" />
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      <path value="DocumentReference.subject.type" />
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    <element id="DocumentReference.authenticator">
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    <element id="DocumentReference.custodian">
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      <path value="DocumentReference.content.attachment.data" />
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    </element>
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      <path value="DocumentReference.content.attachment.size" />
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      <path value="DocumentReference.content.attachment.hash" />
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    </element>
    <element id="DocumentReference.content.attachment.creation">
      <path value="DocumentReference.content.attachment.creation" />
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    </element>
    <element id="DocumentReference.content.format">
      <path value="DocumentReference.content.format" />
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    </element>
    <element id="DocumentReference.context">
      <path value="DocumentReference.context" />
      <max value="0" />
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  </differential>
</StructureDefinition>