{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "controlled (but not randomized) trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "ea20290d-51ad-5f9f-9bae-03810e134550",
  "concept_id" : "c2a56764-94c3-5ca6-91f7-42bd7df13257",
  "ancestors" : {
    "CCT" : 0
  },
  "id" : "d3fc5a3c-240a-4f3a-86be-9c7df56e2b3f",
  "code" : "CCT",
  "display" : "controlled trial (non-randomized)",
  "version" : "4.0.1"
}