{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "case-control study.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "4f52f0ae-4f64-5675-a10f-ac15c271202e",
  "concept_id" : "93ce133e-7d94-5a14-94f7-db0a04365166",
  "ancestors" : {
    "case-control" : 0
  },
  "id" : "c72787ed-de86-489a-a917-60d0b2eb3886",
  "code" : "case-control",
  "display" : "case-control study",
  "version" : "4.0.1"
}