<Observation xmlns="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir ../fhir-all-xsd/observation.xsd">
  <id value="demo-spiro-1" />
  <status value="final" />
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="81459-0" />
      <display value="Spirometry panel" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/demo-patient-1" />
  </subject>
  <effectiveDateTime value="2018-03-12" />
  <related>
    <type value="has-member" />
    <target>
      <reference value="Observation/demo-spiro-mbr-1-1" />
    </target>
  </related>
  <related>
    <type value="has-member" />
    <target>
      <reference value="Observation/demo-spiro-mbr-1-2" />
    </target>
  </related>
  <related>
    <type value="has-member" />
    <target>
      <reference value="Observation/demo-spiro-mbr-1-3" />
    </target>
  </related>
  <related>
    <type value="has-member" />
    <target>
      <reference value="Observation/demo-spiro-mbr-1-4" />
    </target>
  </related>
</Observation>