{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "randomized controlled trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "e7eb6755-1be1-5643-9836-39a1d4095087",
  "concept_id" : "57835160-1e2c-5825-905e-4622e3fd7a58",
  "ancestors" : {
    "RCT" : 0
  },
  "id" : "f38133b1-4544-498f-a28a-beabf4957973",
  "code" : "RCT",
  "display" : "randomized trial",
  "version" : "1.0.0"
}