<?xml version="1.0" encoding="UTF-8"?>

<ResearchSubject xmlns="http://hl7.org/fhir">
  <id value="example-crossover-placebo-to-drug"/>
  <identifier>
    <value value="ecsr45"/>
  </identifier>
  <status value="active"/>
  <!-- <progress>
		<type>
			<coding>
				<system value="http://terminology.hl7.org/CodeSystem/research-subject-state-type"/>
				<code value="Enrollment"/>
			</coding>
			<text value="Enrollment status"/>
		</type>
	</progress>
	<progress>
		<type>
			<coding>
				<system value="http://terminology.hl7.org/CodeSystem/research-subject-state-type"/>
				<code value="Enrollment"/>
				<display value="Enrollment status"/>
			</coding>
		</type>
		<subjectState>
			<coding>
				<system value="http://terminology.hl7.org/CodeSystem/research-subject-state"/>
				<code value="on-study"/>
				<display value="On-study"/>
			</coding>
		</subjectState>
		<reason>
			<coding>
				<code value="informedConsentSigned"/>
			</coding>
			<text value="Informed consent signed"/>
		</reason>
		<startDate value="2022-06-10"/>
	</progress> -->
  <period>
    <start value="2022-06-10"/>
  </period>
  <study>
    <reference value="example-ctgov-study-record"/>
  </study>
  <subject>
    <reference value="cfsb1676546565857"/>
  </subject>
  <comparisonGroup>
    <concept>
      <coding>
        <system value="http://hl7.org/fhir/example-comparison-group"/>
        <code value="placebo"/>
        <display value="Placebo"/>
      </coding>
    </concept>
  </comparisonGroup>
  <comparisonGroup>
    <concept>
      <text value="ap303"/>
    </concept>
  </comparisonGroup>
</ResearchSubject>