{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "randomized controlled trial.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "4f52f0ae-4f64-5675-a10f-ac15c271202e",
  "concept_id" : "57835160-1e2c-5825-905e-4622e3fd7a58",
  "ancestors" : {
    "RCT" : 0
  },
  "id" : "48db698b-ec89-4633-8e41-6c61173c05d3",
  "code" : "RCT",
  "display" : "randomized trial",
  "version" : "4.0.1"
}