{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "randomized controlled trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "6d5fe883-1d4b-5ea6-8935-4a55d22c522d",
  "concept_id" : "57835160-1e2c-5825-905e-4622e3fd7a58",
  "ancestors" : {
    "RCT" : 0
  },
  "id" : "a5d1548b-b6c7-49f6-a633-c91753f134b8",
  "code" : "RCT",
  "display" : "randomized trial",
  "version" : "1.0.0"
}