{
  "package" : "hl7.terminology@6.3.0",
  "definition" : "case-control study.",
  "system" : "http://terminology.hl7.org/CodeSystem/study-type",
  "property" : [ ],
  "codesystem" : "e7eb6755-1be1-5643-9836-39a1d4095087",
  "concept_id" : "93ce133e-7d94-5a14-94f7-db0a04365166",
  "ancestors" : {
    "case-control" : 0
  },
  "id" : "ef90c35c-85d4-42ff-bd9f-1c9d32127719",
  "code" : "case-control",
  "display" : "case-control study",
  "version" : "1.0.0"
}