hl7

{
  "resourceType" : "EvidenceVariable",
  "id" : "example-placebo",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n\t\t\n      <p>\n\t\t\tPlacebo is a specific exposure that may be used in expressing what an Evidence is about.\n\t\t</p>\n\t\n    </div>"
  },
  "name" : "Placebo",
  "title" : "placebo",
  "status" : "draft",
  "description" : "placebo",
  "actual" : true,
  "characteristic" : [{
    "description" : "placebo",
    "definitionCodeableConcept" : {
      "coding" : [{
        "system" : "http://snomed.info/sct",
        "code" : "182886004",
        "display" : "Placebo given (situation)"
      }]
    }
  }]
}