{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "controlled (but not randomized) trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "6d5fe883-1d4b-5ea6-8935-4a55d22c522d",
  "concept_id" : "c2a56764-94c3-5ca6-91f7-42bd7df13257",
  "ancestors" : {
    "CCT" : 0
  },
  "id" : "b7ecbf5b-e939-4868-9ef6-5b79f34119ff",
  "code" : "CCT",
  "display" : "controlled trial (non-randomized)",
  "version" : "1.0.0"
}