{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "randomized controlled trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "ea20290d-51ad-5f9f-9bae-03810e134550",
  "concept_id" : "57835160-1e2c-5825-905e-4622e3fd7a58",
  "ancestors" : {
    "RCT" : 0
  },
  "id" : "a5b5bea7-d2e5-4a96-9168-07b56d772b15",
  "code" : "RCT",
  "display" : "randomized trial",
  "version" : "4.0.1"
}